Sale 1390 — The Daniel J. Ryterband Collection: Vending and Affixing Machine Perforations, and Modern Errors
Sale Date — Thursday, 1 October, 2026
Category — Modern Errors: Scott 1443b thru 1554a
8c Historic Preservation, Black Brown Omitted (1443b). Mint N.H. se-tenant block of four with top right corner selvage and blind Mr. Zip (a few ink specks present in Mr. Zip), Very Fine example of this striking error, Scott Errors catalogue notes there are 24 blocks of four reported and approximately half are damaged, this intact and undamaged example is desirable, with 1998 P.F. certificate
Certificate
1998 PF No. 328237 View Cert
8c Wildlife Conservation, Se-Tenant Block of Four, Brown Omitted (1467b). Mint N.H., lovely colors, the missing color most obvious in background around the fur seals, Very Fine and rare with 8-16 blocks reported by Scott Errors catalogue, with 2023 P.S.E. certificate
Certificate
2023 PSE No. 1434487 View Cert
8c Wildlife Conservation, Se-Tenant Block of Four, Green & Blue Omitted (1467c). Mint N.H. with Mr. Zip at left, bright colors which strongly contrast with the normal block, Very Fine and rare with 8 blocks reported by Scott Errors catalogue, with 2023 P.S.E. certificate
Certificate
2023 PSE No. 1434488 View Cert
8c Wildlife Conservation, Se-Tenant Block of Four, Red & Brown Omitted (1467d). Mint N.H., fresh colors which contrast markedly with the normal block, Very Fine, 16 blocks are reported in Scott Errors catalogue, with 2023 P.S.E. certificate
Certificate
2023 PSE No. 1434489 View Cert
8c Tom Sawyer, Horizontal Pair, Imperforate Between (1470a). Mint N.H., excellent centering, bright and fresh
EXTREMELY FINE. A RARE EXAMPLE OF THE TOM SAWYER COMMEMORATIVE HORIZONTAL PAIR, IMPERFORATE-BETWEEN ERROR.
The Scott Errors catalogue (formerly Datz) records only six sound error pairs, plus one additional pair which is damaged, making this one of the rarest modern perforation errors.
With 2001 P.F. certificate.
Certificate
2001 PF No. 365373 View Cert
8c Tom Sawyer, Red & Black (Engraved) Omitted (1470b). Mint N.H., Very Fine, with copy of 2003 P.S.E. certificate for a strip of three
Certificate
2003 PF No. 00094968 View Cert
8c Tom Sawyer, Yellow & Tan (Litho.) Omitted (1470c). Mint N.H., fresh and Very Fine, Scott Errors catalogue states 50 known, with 2022 P.F. certificate
Certificate
2022 PF No. 584967 View Cert
8c Tom Sawyer, Printing Freaks (1470 var). 14 singles, showing variety of significant color shifts, including some with "Tom Sawyer" shifted, others such as Black shifted, Blue and Rose Red shifted, few Yellow shifted, most are quite dramatic, also one with a strong offset on gum, Very Fine and choice group, normal accompanies for comparison
8c 1972 Christmas, Black Omitted (1471b). Left stamp in a Mint N.H. pair, right stamp with faint printing of black at bottom, Very Fine and rare, Scott Errors catalogue notes only ten are reported and that transition multiples exist, accompanied by a color shift freak, Scott Specialized value $1,900 for the error only, Scott Errors catalogue value $3,000 for the transition multiple
Certificate
2025 PF No. 609084 View Cert
8c Pharmacy, Blue Omitted (1473b). Mint N.H., Blue completely omitted and small traces of Orange are present, Very Fine, Scott Errors catalogue lists this as "rare", with 1997 P.F. and 2015 A.P.S. certificates, accompanied by four freaks including a plate block, each showing dramatic color shift or misperf (or both), fascinating group, SCV for the error only
8c Stamp Collecting, Black (Litho.) Omitted (1474a). Mint N.H., bright colors, Very Fine, accompanied by two additional stamps with two colors significantly out of register with magnifier split vertically and 5c 1847 stamp also out of place, though printed where it should be in relation to the magnifier (showing both were printed in the same press pass), SCV for the error only
8c Boston Tea Party, Se-Tenant Block of Four, Black (Engraved) Omitted (1483b). Mint N.H. with selvage at left, Very Fine and striking error of this popular commemorative, Scott Errors catalogue states only 32 blocks recorded, accompanied by freak block showing dramatic color shift, SCV for the error only
8c American Artists, Vertical Pairs, Imperforate Horizontally (1484a, 1485a, 1487a). Three Mint N.H. pairs, Gershwin, Jeffers and Cather issues, Very Fine, accompanied by freaks of No. 1485 showing dramatic misperf, SCV for the errors only
8c Copernicus, Black (Engraved) Omitted (1488b). Mint N.H., Extremely Fine and striking error with all color missing except for a small spot of orange, with 2021 P.F. certificate, accompanied by freak showing dramatic misperf, SCV for the error only
Certificate
2021 PF No. 574301 View Cert
8c Progress in Electronics, Black Inscriptions Omitted, Tan and Lilac Background Omitted (1501a, 1501b). Two Mint N.H. errors, former disturbed original gum (possibly all examples are disturbed), Very Fine
8c, 15c Progress in Electronics, Black Inscriptions Omitted (1501a, 1502a). Mint N.H. examples of both errors, Very Fine, first with 1992 P.F. certificate
Certificate
1992 PF No. 0263619 View Cert
8c Lyndon B. Johnson, Horizontal Pair, Imperforate Vertically (1503a). Mint N.H. with bottom right corner selvage, Very Fine
10c Rural America, Black and Blue (Engraved) Omitted (1506a). Mint N.H., fresh and Very Fine, with 1990 P.F. certificate
Certificate
1990 PF No. 0221240 View Cert
10c 50-Star and 13-Star Crossed Flags, Blue Omitted (1509b). Mint N.H. block of four, lacking blue of the flags and also the denomination, Very Fine, the designs normally show both 50-star and 13-star flags but here they look the same, ex "Vaquero", with 2021 P.F. certificate, Scott value as singles
Certificate
2021 PF No. 579863 View Cert
10c 50-Star and 13-Star Crossed Flags, Imperforate Vertical Pair (1509c). Mint N.H. Extremely Fine
10c 50-Star and 13-Star Crossed Flags, Horizontal Pair, Imperforate Vertically (1509d). Mint N.H., evident blind perforations at top and bottom, Very Fine and rare, Scott Errors catalogue states only eight pairs are reported, with 1991 P.F. certificate
Certificate
1991 PF No. 249891 View Cert
6.3c Liberty Bell, Coil, Imperforate Pairs (1518b, 1518c). Mint N.H. trio of errors, including strip of six of No. 1518b, line strip of four and pair of No. 1518c, Columbus O. and Garden City N.Y. precancels respectively on the latter, Very Fine
10c Horse Racing, Blue "Horse Racing" Omitted (1528a). Mint N.H. with selvage at left, bright colors, Very Fine
10c Skylab, Color Shifts (1529 var). Nine Mint N.H. singles showing a variety of color shifts, some quite dramatic, Very Fine and attractive group, this issue was printed using both lithographed and engraved printing
10c Mineral Heritage, Se-Tenant Block, Black (Engraved) Omitted on "b", Black and Red (Engraved) Omitted on "d" (1541e var). Mint N.H. transition block of four with right selvage, the bottom right stamp ("d") shows black inscription and red engraved completely omitted (1541d as a single), the top right stamp ("b") shows black inscription omitted, but there is a trace of the purple remaining (1539b var as a single), the two lefts stamps ("a" and "c") are transitional with parts of colors missing
VERY FINE. AN ENORMOUSLY RARE SE-TENANT BLOCK OF THE MINERAL HERITAGE ISSUE WITH A COMBINATION OF TWO ERRORS. ONE OF THE KEY MODERN COLOR-OMITTED ERRORS.
The Scott Errors catalogue (formerly Datz) lists No. 1541e as a se-tenant block containing singles at right of Nos. 1539b and 1541d, and states four blocks are known. This block differs slightly from that format in that pos. "b" contains some of the engraved purple, but none of the black inscription. Whatever the precise listing of this block should be, it is an enormous rarity.
With 2025 P.F. certificate. Accompanied by a freak block of four, showing dramatic colors shift. Scott value for the error block No. 1541e only.
Certificate
2025 PF No. 609081 View Cert
10c Kentucky Settlement, Green, Black & Blue Missing (1542b). Mint N.H. top left corner selvage strip of seven, right stamp the error, stamp to left of the error shows half normal and half with the colors missing, other five stamps are normal, Very Fine and scarce, very desirable as part of a transition strip, Scott Errors catalogue states fewer than 30 reported, this was caused by extraneous paper over the plate or stamp paper, Scott value as only the single error
10c Kentucky Settlement, Green, Black & Blue Missing (1542b). Mint N.H. with top right corner selvage, Very Fine example of this dramatic error, showing only a ghost-like outline of the wagon and building, Scott Errors catalogue states fewer than 30 reported
10c Paul Laurence Dunbar, Imperforate Pair (1554a). Mint N.H. bottom plate nos. 36027-36031 block of ten, containing five error pairs, bright and fresh
VERY FINE AND LIKLEY UNIQUE PLATE BLOCK OF TEN OF THE 10-CENT PAUL LAURENCE DUNBAR IMPERFORATE ERROR.
The Scott Errors catalogue (formerly Datz) states 15+ pairs are reported. Unless another sheet or part sheet of this error is laying in drawer somewhere, this is likely the only plate block extant.
Scott value $3,000 as pairs without premium for the plate block format.