Unified Vietnam, Halley’s Comet, February 24th, 1986, Michel Nr. 1657-1660; Four stamps in nominals of 2D (two stamps), 3D and 5D were issued in perforation 12.75:12.5 and imperforate. Stamps sold in Vietnam at the postal counter were issued without gum, while stamps sold by the official stamp agency were sold with gum. The Newton stamp features the wrong birth year 1642 which actually was 1643. Since this error is present on all stamps issued it does not increase the value of the stamp.

Here is the mint perforate set

Here  are mint pairs of the imperforate set (without gum)

The right of the 5D stamp shows a plate error that exits once per sheet. It shows a red dot above the comet. Detailed scan of the affected area.

Imperforate blocks of four with gum as sold by the stamps agency

Very rare imperforate trial proofs in sheetlets along with the signature approving the final printing of the stamps.

Registered air mail letter sent as a mixed currency franking in March of 1986 from Ho Chi Minh City to Klewitz. The letter features stamps from the Halley, Musical Instrument, Reconstruction and Le Lo’i sets that were already denominated in new Dong. The Dinosaur and Bird stamps are denominated in old Dong. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to 4.6 oD =0.46 nD. plus the stamps in new Dong (41D)  for 41.46 nD. The zero money red free frank was required to produce the R-label as it came out of the same machine. Fragment of the green Fulda custom cachet on front.

Registered air mail letter sent as a mixed currency franking in June of 1986 from Ho Chi Minh City to Klewitz. The letter features stamps from the Halley and Dam Construction sets that were already denominated in new Dong. The PeaceMeeting, Hanoi Liberation, New Year and Soviet Union stamps are denominated in old Dong. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to 36.6 oD =3.66 nD. plus the stamps in new Dong (13D)  and the red free frank for 17D for 33.66 nD. Fragment of the green Fulda custom cachet on front.

Air mail letter sent in May of 1985 from Tan Binh to Klewitz as a mixed currency franking. The imperforate Halley and Musical Instrument stamps were already denominated in new Dong while the Vietnamese Painters stamp were denominated in old currency. The right 5D Halley stamp shows the plate error of “red dot above comet”. Imperforate and error stamps on postally used cover are very rare. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to 16.8 oD =1.68 nD. plus the stamps in new Dong (33D)  for 34.68 nD.

Registered air mail letter sent in July of 1986 from Ho Chi Minh City to Klewitz. The letter carries multiple sets of the National Assembly stamps plus stamps from the Halley, Musical Instruments, Reconstruction, Dam Construction and United Nation sets for an overall postage of 34D.The zero money red free frank was required to produce the R-label that came out of the same machine. Fragment of the green Fulda custom cachet on front.

Registered air mail letter sent as a mixed currency franking from Ho Chi Minh City to Klewitz in September of 1986. The letter carries the United Nation stamp in different color variations and stamps from the Reconstruction, Traditional Houses and Halley sets that were already denominated in new Dong. The stamps from the Mushroom set were still in old Dong. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  14 oD =1.40 nD. plus the stamps in new Dong (32D) for 33.4 nD. Fragment of green Fulda custom cachet on front.

Registered air mail letter sent as a mixed currency franking from Ho Chi Minh City to Klewitz in October of 1986. The letter carries the United Nation stamp in different color variations and stamps from the Traditional Houses and Halley sets that were already denominated in new Dong. The stamps from the Dien Bien Phu set were still in old Dong. There are also two of the military free frank issued in 1984 that was not valid for international postage but apparently got accepted by the postal clerk nevertheless. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  8.5 oD =0.85 nD. plus the stamps in new Dong (23D) plus the red free frank for 6D for 29.85 nD. Fragment of green Fulda custom cachet on front.

Registered air mail letter sent as a mixed currency franking from Ho Chi Minh City to Klewitz in October of 1986. The letter carries the United Nation stamp in different color variations and stamps from the Reconstruction, Traditional Houses, Dam Building and Halley sets that were already denominated in new Dong. The stamps from the Lotus set were still in old Dong. The Lotus stamps are in the rare post master perforation that is very hard to find on postally used cover. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  0.48 oD =0.05 nD. plus the stamps in new Dong (33D) for 33.05 nD. Fragment of green Fulda custom cachet on front.

Registered air mail letter send as a mixed currency franking from Ho Chi Minh City in April of 1986 to Klewitz. The letter carries stamps from the Chrysanthemum set that were still  denominated in old Dong while all other stamps were denominated already in new Dong. The Le’Lo’i stamp is represented in both color variations and one of the shows the plate error of “missing apostrophe in AI” . Error stamps on postally used cover are very rareThe Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  2.7 oD =0.27 nD. plus the stamps in new Dong (14D) plus the red free frank for 25D for 39.27 nD. Fragment of green Fulda custom cachet on front.

Registered air mail letter sent in October of 1986 as a mixed currency franking from Ho Chi Minh City to Klewitz. The letter carries the entire perforated World Cup set plus stamps from the Halley’s, Hanoi Liberation and National Assembly sets. The Hanoi Liberation stamps were still denominated in old Dong while all the other stamps were denominated in new Dong. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  2 oD =0.20 nD. plus the stamps in new Dong (34D)  for 34.2 nD. Green Fulda custom cachet on the reverse.

Registered air mail letter mailed as a mixed currency franking in September of 1986 from Ho Chi Minh City to Klewitz.  The letter carries a block of four of the Thälmann stamp plus stamps from the Halley’s, Reconstruction and Mushroom sets. The Mushroom set was still denominated in old Dong, while all other stamps were already denominated in new Dong. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  6 oD =0.60 nD. plus the stamps in new Dong (32D)  for 32.6nD. Green Fulda custom cachet on front.

Registered air mail letter sent in August of 1987 as a mixed currency franking from Ho Chi Minh City to Klewitz. The letter carries a mix of stamps denominated in old Dong (Robert Koch) and new Dong (Labor Day, Halley, Red Cross, Five Billion People ). The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  10 oD =1 nD. plus the stamps in new Dong (138D) plus the red free frank for 49D for 188 nD. Fragment of green Fulda custom cachet on front.

Registered air mail letter sent in November of 1986 as a mixed currency franking from Ho Chi Minh City to Klewitz. The letter carries stamps that were still denominated in old Dong (Friendship, Dahlia (imperforate)) and new Dong (National Assembly, Halley (imperforate), Dam Building, Post Office, Traditional Houses).  Imperforate stamps on postally used cover are very rare. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  2 oD =0.20 nD. plus the stamps in new Dong (23 nD) plus the red free frank for 10 nD for 33.2 nD. Fragment of green Fulda custom cachet on front. Unusual German registration label for incoming registered mail.

Registered air mail letter sent in June of 1986 as a mixed currency franking from Ho Chi Minh City to Klewitz. The letter carries stamps that were still denominated in old Dong (Socialist Republic, Union Congress, Cacti (imperforate), Karl Marx) and new Dong (National Assembly, Reconstruction, Dam Building, Halley).  Imperforate stamps on postally used cover are very rare. There is also a Invalid free frank issued in 1984 that was not valid for international postage but apparently was nevertheless accepted by the postal clerk. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to  3.56 oD =0.36 nD. plus the stamps in new Dong (27 nD) plus the red free frank for 11 nD for 38.36 nD. Fragment of green Fulda custom cachet on front.

Air mail letter sent in April of 1987 from Ho Chi Minh City to Klwitz. The letter carries half of the imperforate Bonsai set plus imperforate stamps from the October Revolution and Halley sets for an overall postage of 26.5D. Imperforate stamps on postally used cover are very rare.

Registered air mail letter sent in April of 1987 from Ho Chi Minh City to Klewitz. The letter carries stamps fro the Rare Plant, Halley, Poultry, Reconstruction, Dam Building and Communist Party sets for an overall postage of 330D. Fragment of the green Fulda custom cachet on front.

Registered air mail letter sent in November of 1987 from Ho Ch Minh City to Klewitz and featuring some of the perforated Cham Culture stamps plus stamps from the Halley, Butterflies, Postal Union and October Revolution sets for an overall postage of 569D (including the red free frank for 398D). Fragment of the green Fulda custom cachet on front.

Registered air mail letter sent in September of 1986 as a mixed currency franking from Ho Chi Minh City to Klewitz. The letter carries the souvenir-sheet from the August Revolution set in the two color variations (one sheet with “secret mark”) plus stamps from the Hayley, Reconstruction, ARGENTINIA Stamp Exhibition, KPdSU and Soccer World Cup MEXICI sets. All stamps, except the ARGENTINIA Stamp Exhibition and August Revolution stamps were denominated in new Dong while the other stamps were still denominated in old Dong. The Vietnamese Government conducted a devaluation of the Dong on September 14th, 1985. This meant that all stamps issued prior to this date were only worth one tenth at the time of mailing. The overall postage hence amounted to 35 oD =3.5 nD. plus the stamps in new Dong (62.5 nD) for 66 nD. Fragment of the green Fulda custom cachet on front.

Registration Nr. 104000

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