Colnect-3477-038-US-air-mail-service.jpg
Source: Colnect
Issued by: Guyana
Function: postage
Date: 5/3/1990
Issue: 150th Anniversary of the Penny Black / 500th Anniversary of Thurn and Taxis Postal Service
Denom: $20
Color: multicolored
Design: De Havilland DH-4
Watermark: unwmk
Perf: 14.25
Catalog value:



External links:
Colnect 631328..he_Penny_Black