Unified Vietnam, 5. National Women Congress, May 19th, 1982, Michel Nr. 1230-1231; Two stamps, both in 12 xu nominals and in perforation L12 were issued.
This set is known on white and on yellowish paper. Here is there int set on white paper:
This is the mint set on yellowish paper:
Here is a mint error stamp with the entire yellow color run missing.
Detailed scan of the affected area:
Registered letter sent from Nguyen Trai to Klewitz in August of 1982. The letter carries the Women Congress set plus other NVN stamps for an overall postage of 22.82 Dong (including the red free frank for 15.5 Dong). Transit cancel on the reverse. Green Fulda custom cachet one front.
Registered letter sent from Nguyen Trai to Klewitz in November of 1982. The letter carries both Women Union sets plus other NVN stamps for an overall postage of 20.74 Dong. Unusual red cancel. Green Fulda custom cachet on front.
Rare registered letter sent from Nguyen Trai to Klewitz. The letter features the perforated and im-perforated stamp plus other NVN stamps for an overall postage of 12.64 (including the red free frank for 5 Dong). Im-perforated trial proofs are very rare on postally used cover. Women Congress set in front. Green Fulda custom cachet on front.
Registered letter sent from Ho Chi Minh City to Klewitz in December of 1983. The letter carries a number of the Environment stamps in different color shades. The revers also carries the Karl Marx stamp in the rare color lilac-red. Error stamps on postally used cover are very rare. Women Congress stamp on the reverse. The overall postage amounted to 53.62 Dong. Green Fulda custom cachet on front. The zero money red free frank was required to produce the R-label that came out of the same machine.
Registration Nr. 103210