Costa Rica
| 1 PROOF, Imp, a few faults | 5.00 |
| 2 PROOF,Imp, close @ left and lower side, margin copy @ top | 10.00 |
| 16-18,20 SPECIMENS, 17 with missing corner @ UR | 45.00 |
| 18 SPECIMEN overprint in Spanish in red | 15.00 |
| 33 SPECIMEN overprint in Black | 25.00 |
| 45-54 PROOFS, trial colors, perfed and gummed | 100.00 |
| 45-54 PROOFS, trial colors, perfed and gummed, SPECIMEN overprints | 100.00 |
| 47-51 Color PROOFS, perf (set of 5) | 50.00 |
| 48 perf color trial PROOF | 10.00 |
| 55-57 PROOFS in trial colors, perfed and gummed | 45.00 |
| 55-57 PROOFS in trial colors, perfed and gummed, SPECIMEN overprints | 45.00 |
| 58 PROOFS with overprints in red and green | 40.00 |
| 59-63,64-66 Imp PROOFS | 100.00 |
| 59, 62 Imp, PROOF | 20.00 |
| 65 Imperf PROOF | 15.00 |
| 111C PROOF, blue overprint | 15.00 |
| 111D PROOF, blue overprint | 15.00 |
| 111F PROOF, blue overprint | 15.00 |
| 118 SPECIMEN | 10.00 |
| 126 SPECIMEN | 10.00 |
| 127 SPECIMEN | 10.00 |
| 129-35 SPECIMEN | 70.00 |
| 158-61 SPECIMEN | 40.00 |
| 163 SPECIMEN | 10.00 |
| 177-78 SPECIMEN | 20.00 |
| 179-82 SPECIMEN | 40.00 |
| 186-88 SPECIMEN | 30.00 |
| 191-195 SPECIMENS punched | 25.00 |
| 219-223 SPECIMENS | 25.00 |
| 224-232 SPECIMEN, 10 values | 95.00 |
| 241 PROOF, blue overprint | 10.00 |
| 243-245 SPECIMENS, overprinted in Spanish | 30.00 |
| 243-245 SPECIMENS, overprinted in Enlish | 30.00 |
| 246 PROOF, overprint in black | 10.00 |
| 251-5,C160-7 SPECIMENS NH | 75.00 |
| 256 SPECIMEN | 10.00 |
| C15, etc... 4 SPECIMENS | 30.00 |
| C216//9 3 SPECIMENS | 15.00 |
| C15-27 PUNCHED NH, no overprint | 65.00 |
| C15-24, 26 SPECIMENS. punched, no overprint | 55.00 |
| C21 SPECIMEN | 5.00 |
| C24-27 ESSAYS, black proofs overprinted in red with 5th American Postal Congress, unissued | 40.00 |
| C28-30, SPECIMENS, first printing | 25.00 |
| C28-30, SPECIMENS, second printing | 25.00 |
| C31-34 SPECIMENS | 40.00 |
| C39-C45 SPECIMENS | 75.00 |
| C49 SPECIMEN, purnched | 10.00 |
| C82A//C91A SPECIMENS, 11 different | 55.00 |
| C88A SPECIMEN | 10.00 |
| C91A SPECIMENS, overprints in 2 different sizes, both for | 20.00 |
| C94-102 SPECIMENS | 90.00 |
| C103 SPECIMEN | 10.00 |
| C117 ESSAYS overprints in black and red (inverted) on 5c red brown | 30.00 |
| C117-119 PROOFS, trial colors of overprints, set of 3 | 45.00 |
| C117 PROOF, overprint in black on blank sheet of paper | 15.00 |
| C121-C123 SPECIMENS | 25.00 |
| C124-C127 SPECIMENS overprint in English | 40.00 |
| C124-C127 SPECIMENS overprint in Spanish | 40.00 |
| C128-40 SPECIMENS | 100.00 |
| C143 SPECIMENS | 10.00 |
| C145-147 SPECIMENS, NG | 15.00 |
| C148-153 SPECIMENS in Spanish, light tone spots | 50.00 |
| C154-157 SPECIMENS in Spanish | 30.00 |
| C155 PROOF, overprint in black | 10.00 |
| C160-167 SPECIMENS in Spanish | 80.00 |
| C167-77 SPECIMENS in Spanish | 75.00 |
| C168-75,177 SPECIMENS | 60.00 |
| C197-210 SPECIMENS, no overprint, punch only | 65.00 |
| C210 SPECIMEN, no overprint, creased | 5.00 |
| C216//9 3 SPECIMENS | 15.00 |
| C321-328 SPECIMENS | 40.00 |
| C498-C501 SPECIMENS | 30.00 |
| C531-C532 SPECIMENS | 15.00 |
| C533-C534 SPECIMENS | 15.00 |
| C545-C548 SPECIMENS | 30.00 |
| C577-C578 SPECIMENS | 15.00 |
| J9-J13 PROOFS punched | 35.00 |
| O80-81 SPECIMENS | 20.00 |
| Telegraphs, Yvert 19-25, 9 values SPECIMENS, including both printings of the 5c and 25c | 50.00 |
| 1927 Revenues--13 different NH, 2 centavos through 100 Colones SPECIMENS | 65.00 |