El Salvador
| 1-4 Imperf PROOFS on thin paper in colors of issue | 120.00 |
| 38 PROOF thin paper, orange | 6.00 |
| 38-42 PROOFS, pairs in issued colors | 60.00 |
| 39 PROOF, thin paper, pair in purple | 12.00 |
| 40 PROOF, thin paper, pair in purple | 12.00 |
| 41 PROOF, thin paper, pair in green | 12.00 |
| 42 PROOF, thin paper, pair in red | 12.00 |
| 45 PROOF, thin paper, pair in brown | 12.00 |
| 45 PROOF in blue, perf | 10.00 |
| 67 PROOF Imperf on thin paper, lime green trial color | 10.00 |
| 81 PROOF Imperf on thin paper, green trial color | 10.00 |
| 91-6 PROOFS six imperf trial colors on thin paper | 40.00 |
| 91, 93, 97 PROOFS, Imp pairs | 36.00 |
| 98 SPECIMEN hand stamp in red--pair, Imperf between vertically and at top | 50.00 |
| 98 SPECIMEN hand stamp in red--pair, Imperf between horizontal | 50.00 |
| 100 PROOF in blue, imp | 6.00 |
| 107 PROOF fully perforated in issued color but without overprint | 5.00 |
| 109 PROOF fully perforated in issued color but without overprint | 5.00 |
| 111 PROOF fully perforated in issued color but without overprint | 5.00 |
| 114 PROOF fully perforated in issued color but without overprint | 5.00 |
| 111 PROOF, w/o overprint, in brown, imp pair | 12.00 |
| 117 PROOF, pair in orange | 12.00 |
| 118 (2), 119 (2), 125, 127 PROOFS in blocks of 4, 6 in total, 24 proofs | 90.00 |
| 122 unissued PROOFS similar to type A32, imp pair in brown | 15.00 |
| 126-128 unissued PROOFS similar to type A32, imp pairs | 45.00 |
| 135-6 PROOFS 6 blocks in trial colors | 90.00 |
| 139 PROOF, imp blk of 4 in green | 24.00 |
| 141 PROOF, imp blk of 4 in brown | 24.00 |
| 146-7. 148-9, 154 PROOFS blks of 4, Imp | 100.00 |
| 146 PROOF | 5.00 |
| 149, 150, 154 PROOFS, imp pairs in colors of issue | 60.00 |
| 150 PROOF, blk of 4 in brown | 24.00 |
| 203 PROOF, imp pair in brown, sm crease | 15.00 |
| 270 PROOF in black | 25.00 |
| 287 PROOF, in pink, fullly perforated and gummed | 25.00 |
| 336 PROOF in red | 10.00 |
| 343 PROOF in red | 10.00 |
| 345 PROOF in black | 10.00 |
| 460 ESSAY (Vyert 413a) | 10.00 |
| 461 ESSAY, red surcharge | 5.00 |
| 476 perforated proof in brown, postally used | 10.00 |
| 538-42 PROOFS Colombian Banknote Co Perfins, as issued | 50.00 |
| 538-42 PROOFS Colombian Banknote Co CHICAGO Perfins | 50.00 |
| 606-608,C114-116 PROOFS of frames, in Imperf pairs, one contains central design as well | 120.00 |
| 677 PROOFS in violet and green IMPERF | 20.00 |
| C36-C39 SPECIMENS, Perf-ins | 40.00 |
| C36-C39 PROOFS, Imp prs in issued colors | 120.00 |
| C93-95 PROOFS, imperf vertical pairs in color of issue, punched with bottom selvage indicating the quantities ordered (500,000) by the Salvadoran Post Office, fascinating | 100.00 |
| J, Type D1, Imp PROOFS, 7 pairs | 70.00 |
| J17-18 Imp PROOFS, unusual gutter pair | 20.00 |
| CINDERELLA triangle in green w/woman in field | 35.00 |