| Scadta, Colombia, Canal Zone, Costa Rica 1930 cover |
| Agencia Postal Panama to Costa Rica 1930 Stamp Cover |
| Costa Rica 1950s Cover Lot, Attractive Range |
| Costa Rica Advertising Cover To Germany 1910's |
| Costa Rica cover lot (x11) - see scan |
| Costa Rica 1941 Cover to US, Triangles + Expo |
| Costa Rica 1944 Censor Cover to US, 60c San Ramon |
| Costa Rica 1941 Cover to US, Triangle Block |
| Costa Rica 1942 Censor Cover to US, Interesting Mix |
| Costa Rica 1942 Censor Cover to US, 60c Football + |
| COSTA RICA Pair 20c Official Stamps with Perfin Cover |
| Costa Rica Prewar Cover Lot, Nice Assortment |
| Costa Rica 1902 Postal Card Cover to US, 3c Rate |
| Costa Rica Air Mail Flight Cover To Limon 1924 RARE! |
| Costa Rica 1943 Censor Cover to US, 30c University Pair |
| 0290 COSTA RICA NICE AIR COVER POSTED TO USA |
| Costa Rica Cover USA Transito Advertising On Back 1926 |
| Costa Rica 1943 Censor Cover to US, 30c School x2 |
| M) COSTA RICA 1929 airmail cover sent to Mexico |
| Costa Rica 1940s Postwar Cover Lot, Nice |
| Costa Rica 1940 Reg Cover to Chile, Health Day O'prints |
| Costa Rica 1943 #10 "Censored" War Time cover Passed! |
| COSTA RICA 1933 AIRMAIL COVER |
| RED CROSS- COSTA RICA- 1988 FIRST DAY COVER |
| Costa Rica registered air mail cover |
| COSTA RICA 1928 1940 A/.M GRAN HOTEL COVER TO USA |
| NICARAGUA TO COSTA RICA Official Air Mail Cover 1941 |
| COSTA RICA TO BELGIUM RED CROSS Cancel on Cover |
| COSTA RICA TO BOLIVIA OLYMPIC Cover VF |
| c1940 COSTA RICA 10c OFFICIAL USE COVER SAN JOSE US ! |
| COSTA RICA nice old cover B 910 |
| Costa Rica meter stamp cover, Postalia model. |
| COSTA RICA 3 REVENUES, ALAJUELA STAR COVER TO SAN JOSE |
| Costa Rica cover |
| Costa Rica To USA Airmail Cover 1977 Multiple Franking |
| Costa Rica registered illustrated cover |