U.S. and Worldwide Stamps
May 7-8, 2008
| Images | Description | Current Bid |
 | Lot #533 COSTA RICA 1940 Pan-American Health Day, without overprint, blocks of four, each with red "Specimen" of "Muestra" overprint, also with control punch, n.h., v.f.  S | Price Realized $220.00 |
 | Lot #534 COSTA RICA 1940 Pan-American Issue, blocks of four, each stamp overprinted "Muestra" in red or black, n.h., v.f. S | Price Realized $230.00 |
 | Lot #535 COSTA RICA 1944 San Ramon, blocks of four, each stamp with red "Specimen" overprint, also with control punch, n.h., v.f. S | Price Realized $190.00 |
