| Lot | Description | Reserve |
| 1 | C15-27 first definitive airmail issue mint | $20.00 |
| 2 | C15-27 as above used | $8.00 |
3a
3b | C15-27 as above in blocks of 4 (includes 20c rarest airmail block) | $100.00 |
| 4 | C15 overprinted specimen 4 printings | $8.00 |
| 5 | C16 overprinted specimen 5 printings | $8.00 |
| 6 | C17 to 21 overprinted specimen 2 printings each | $8.00 |
| 7 | C22 to 27 overprinted specimen 1 printing each | $8.00 |
| 8 | C19 die proof on card | $50.00 |
| 9 | C67-73 overprint for border treaty in blocks of 4 (cat 120) | $50.00 |
| 10 | EA67 proof of overprint on 20 c in a block of 4 | $10.00 |
| 11 | EA67 proof of overprint as above block of 4 | $10.00 |
| 12 | C67 inverted overprint | $20.00 |
| 13 | C67 pos 30 hyphen omitted mint | $5.00 |
| 14 | C67 pos 30 hyphen omitted used | $5.00 |
| 15 | C67 pos 30 hyphen omitted in vertical pair mint | $8.00 |
| 16 | C68 pos 30 hyphen omitted in vertical pair mint | $8.00 |
| 17 | C68 inverted overprint | $5.00 |
| 18 | C69 pos 30 hyphen omitted mint | $5.00 |
| 19 | C69 pos 30 hyphen omitted in block of 4 | $10.00 |
| 20 | C69 inverted overprint | $20.00 |
| 21 | C92-93 overprinted for social legislation in blocks of 4 mint (cat 40) | $15.00 |
| 22 | C92 proof OPA92 on smaller letters | $8.00 |
| 23 | C103 mint block of 4 | $4.00 |
| 24 | C103 overprinted muestra | $2.00 |
| 25 | C103 block of 4 color proof in blue block of 4 (cat 600) | $100.00 |
| 26 | C103 proof of overprint small print on onionskin and newsprint in pairs | $40.00 |
| 27 | C103 proof of overprint small print on 5, 10 and 15c regular stamps | $50.00 |
| 28 | C103 proof of overprint large print on onionskin and newsprint in pairs | $40.00 |
| 29 | C103 proof of overprint large print on 5, 10 and 15c regular stamps | $50.00 |
| 30 | C103 proof of overprint both type sizes in center pairs of 5c | $40.00 |
| 31 | C103 proof of overprint both type sizes in center pairs of 10c | $40.00 |
| 32 | C103 proof of overprint both type sizes in center pairs of 15c | $40.00 |
| 33 | C104 to 116 overprint on official stamps used set | $10.00 |
| 34 | C104 to 116 overprinted muestra | $25.00 |
| 35 | C104 error printed in black (A104a-cat 200) | $80.00 |
| 36 | C104 error printed in black (A104a) as above | $80.00 |
| 37 | C104 inverted overprint (A104b) | $15.00 |
| 38 | C104 proof of overprint on newsprint (EA103b) in a block of 4 | $20.00 |
| 39 | C105 double overprint (A105a) | $20.00 |
| 40 | C104 etc. several items guideless across lower row | $5.00 |
| 41 | C216-219 overprinted specimen, 2 printing of 5 and 10c | $12.00 |
| 42 | CO1-13 overprinted official mint | $12.00 |
| 43 | CO1-13 overprinted official used | $12.00 |
44a
44b | CO1-13 overprinted official in blocks of 4 | $50.00 |
| 45 | C15 to 27 with hole for official use, used | $30.00 |
| 46 | C15 to 27 with hole for official use mint in blocks of 4 | $90.00 |
| 47 | CO1-13 overprinted specimen | $20.00 |
| 48 | C26 overprinted for Rio Janeiro Postal Congress in blocks of 4 | $50.00 |
| 49 | C26 as above with punch hole | $20.00 |
| 50 | C15 local cover Jan 1940 | $1.50 |
| 51 | C15 pair Puntarenas to SJ Aug 1935 backstamp same day | $2.00 |
| 52 | C16 La Sierra Abangares to SJ Jul 1935 backstamp | $2.00 |
| 53 | C16 Liberia to SJ Oct 1942 transit, backstamp | $1.50 |
| 54 | C16 Liberia to SJ Apr 1936 airmail, backstamp | $1.50 |
| 55 | C16 + 217 Sixaola to SJ Sep 1942 censor, backstamp | $2.50 |
| 56 | C17, C18 to Ashland OH | $1.00 |
| 57 | C17, C18 to Boston | $1.00 |
| 58 | C18 pair to Connecticut, cachet 1941 soccer championship | $1.50 |
| 59 | C19 American Embassy to Georgia Apr 1939 | $1.25 |
| 60 | C19 to Ashland OH Jan 1939 | $1.00 |
| 61 | C19, C16 to Reading PA | $1.00 |
| 62 | C19, C16 to Cristobal Canal Zone Feb 1938, backstamp | $1.50 |
| 63 | C19, C16 to Ashland OH Sep 1939 | $1.00 |
| 64 | C19, C40 to Detroit Jul | $1.00 |
| 65 | C19, C32 to Ancon Canal Zone Jun 1938, backstamp | $1.50 |
| 66 | C19 pair plus to England censored May 1943 | $2.00 |
| 67 | C20 to Philadelphia | $1.00 |
| 68 | C20 to Norfolk Sep 1940 backstamp | $1.00 |
| 69 | C20 to Dallas Aug 1942 | $1.00 |
| 70 | C20 x3 to Miami Aug1936 | $1.25 |
| 71 | C21 Cartago to Cleveland Mar 1938, backstamp | $1.00 |
| 72 | C21 + C32 to London | $1.00 |
| 73 | C21 x2 + C19 Limon to NY registered Feb 1938, backstamps | $1.50 |
| 74 | C22 to Miami Jan 1939 | $1.00 |
| 75 | C22 to Dallas Oct 1939 | $1.00 |
| 76 | C22 to Dallas Jan 1940 | $1.00 |
| 77 | C22 to Guatemala Dec 1939 | $1.25 |
| 78 | C22 to Norfolk VA censored Dec 1942 | $1.25 |
| 79 | C22, C21 Turrialba to Germany Feb 1935 | $1.50 |
| 80 | C22 x2, C21 to Edwards NY registered May 1936 | $1.50 |
| 81 | C23, C16 to University LA registered Jan 1939 | $1.50 |
| 82 | C24, C17 to Guatemala loss in El Salvador Set 1937 | $2.00 |
| 83 | C24, C17 to Cleveland OH Nov 1937 | $2.00 |
| 84 | C24, C18 to Norfolk, VA Set 1938 | $2.00 |
| 85 | C24, C20 to Richmond VA Jun 1936 | $2.00 |
| 86 | C24, C20 to Dallas Apr 1936 | $2.00 |
| 87 | C24, C20 to El Salvador May 1936 | $2.50 |
| 88 | C24, C20 to New York Nov 1936 | $2.50 |
| 89 | C24, C21 to Liverpool, UK Oct 1936 | $2.50 |
| 90 | C24 x2, C16 Cartago to Washington registered Dec 1937 | $3.50 |
| 91 | C25 to Brooklyn registered Apr 1936 | $8.00 |
| 92 | C26, others to Switzerland Transatlantic mail Clipper NY to Lisbon Nov 1939 | $15.00 |
| 93 | C67 to Limon | $1.00 |
| 94 | C67 x3 Cartago to SJ Jul 1941 | $2.00 |
| 95 | C67 x2 + C55 x2 to Miami May 1942, censored | $2.00 |
| 96 | C69 to Syracuse 1941 | $1.00 |
| 97 | C69 to New York | $1.00 |
| 98 | C67 to 73 on FDC to Michigan Jun 1941 | $8.00 |
| 99 | C92, 93 FDC censored Sep 1943 | $2.50 |
| 100 | C103, C83 Palmar to Deadwood SD Jan 1947 | $1.50 |
| 101 | C103, 222 to NY censored | $1.50 |
| 102 | C113, 239 to Chicago, censored May 1945 | $1.25 |
| 103 | C216-19 6 covers with each value and 2 reprints | $3.00 |
| 104 | C216 from Siquirres to Germania May 1954 | $5.00 |
| 105 | C216 (3) from Naranjo to SJ Feb 1953 | $1.00 |
| 106 | C217 (2) from Orotina, from Liberia to SJ Sep/Jul 1954 | $1.50 |
| 107 | C218 to Monroe (3/54), from Canas (reg 5/54), from Golfito (express 6/54) | $2.00 |
| 108 | C219 FDC to Texas May 7, 1952 | $2.50 |
| 109 | C219 to Boston (5/52), from Golfito (express 6/55) | $2.00 |
