20. Anniversary of the UN Conference for Environmental Protection

Unified Vietnam, 20. Anniversary of the UN Conference for Environmental Protection, June 1st, 1992, Michel Nr. 2453-2454; Two stamps with nominals of 200D and 4,000D were issued in perforation 13 and imperforate.

Here is the mint perforated set

and here the mint imperforate set in horizontal pairs

Single franking of the 200D stamp on a local letter sent from Thanh Hoa to HCM City. The letter was mailed in may of 1993 and apparently the 200D stamp was insufficient to cover the tariff in force at the time. Therefore the letter was stamped with a red “T” (postage due). Quan 5 transit and HCM City machine arrival cancel on the reverse.

Registered air mail letter sent in August of 1992 from Ho Chi Minh City to Klewitz. The letter carries the perforated Environmental Protection set plus stamps from the Discovery of America II (souvenir-sheet), Phu-Dong Games, War Invalids, Hydro Stations and London Stamp Exhibition (imperforate) sets for an overall postage of 19,700 (including the red free frank for 400D). Imperforate stamps and souvenir-sheets on postally used cover are very rare.

Rare Registered express air mail letter sent in December of 1992 from Ho Chi Minh City to Klewitz. The letter carries the perforated and imperforate Environmental Protection set plus stamps from the Discovery of America II (sheetlet perforated and imperforate) and Communist Partysets for an overall postage of 51,300. Imperforate stamps on postally used cover are very rare. Fragment of the green Fulda custom cachet. Fulda arrival cancel on the reverse.

Registered air mail letter sent in March of 1993 from Ho Chi Minh City to Klewitz. The letter carries the perforated and imperforate Year of the Rooster set plus stamps from the UN Conference of the Environment set for an overall postage of 18,300D. Imperforate stamps on postally used cover are very rare.

Registered air mail letter sent in May of 1993 from Ho Chi Minh City to Klewitz. The letter carries the perforated Rare Mammal souvenir-sheet plus stamps from the Medical Plants, UN Conference for Environmental Protection, 500kV Power Line and International Stamp Exhibition INDIA (imperforate) sets sets for an overall postage of 17,500D (including the red free frank for 2,100D). Souvenir-Sheets and imperforate stamps on postally used cover are very rare.