ALL my Listing Stamp is GENUINE GUARANTEE. CHINA PRC 1980 Complete Year Total 23 Set 91v Stamp Mint Never Hinged. Fresh and very fine condition. Please see Picture of Detail. 511 South First Ave Suite 132.Fine Stamp and Postal History of the World. The item "CHINA PRC 1980 Complete Year Total 23 Set 91v Stamp Mint NH XF" is in sale since Tuesday, July 14, 2020. This item is in the category "Stamps\Asia\China". The seller is "kennystamp" and is located in Arcadia, California. This item can be shipped worldwide.