Each is valued at 2 centavos and each boasts a rare 'OFICIAL' cancel!
The Society for Costa Rica Stamp Collectors - Auction 249
The Society for Costa Rica Stamp Collectors - Auction 237
Autres, Mondial, Timbres - PicClick FR
Historic Stamps Of America Photos and Images
The Society for Costa Rica Stamp Collectors - Auction 249
COSTA RICA súper stamps R26545 £7.13 - PicClick UK
150 count assorted cancelled stamps Costa Rica 30s to 80s
Stamps from Costa Rica - - The free online
Céntimos hi-res stock photography and images - Page 2 - Alamy
Orange Costa Rican Stamps for sale
150 count assorted cancelled stamps Costa Rica 30s to 80s
H.R. Harmer GPN, Inc. Sale - 3028 Page 11