Bidspirit auction | Worldwide Aerophilately - United States

Worldwide Aerophilately - United States - 1989, Futuristic Mail Delivery, 20th UPU Congress, (45c) multicolored, bottom left corner sheet margin ZIP se- tenant block of four, light blue (engraved) color omitted, full OG, NH, VF, C.v. $500 , Sc. #C125b