$225

Collection Of Freaks & Errors - HIGH RETAIL VALUE! - SEE ALL PHOTOS Stuart Katz

$99.95

Perfectly Flawed SN 2478 MNH - Misperf on Presentation Panel 8.5” X 11”

$195

1597b, Grey Color Omitted Error in Transitional Strip CV $600.00 - Stuart Katz

$45

US 2112a 22c Rate Change 1985 Eagle imperf coil pair faulty inking F-VF NH

$104.52

INTERESTING US COVER WITH NOTE FROM POSTMASTER EXPLAINING MISTAKE CANCEL

$12.99

Errors Mint US Single (Misperf) Stamp,Scott# 1618C,(MNH)

$319.99

TD97 Var. Scarce Carmine Test / Dummy Error Imperf Horiz. Pair W/Cert. Mint LH

$19.99

US SCOTT#5471-74, 73C STAMP HARLEM RENAISSANCE SHEET OF 20 MNH OG SELF ADHESIVE

$175

1764-67a, MNH 15¢ Trees Perf Shift Error PL# Block of Four Stamps - Stuart Katz

$650

1799c, Mint NH 15¢ - Imperforate Between Error Pair - Stuart Katz

$175

2635a, MNH 29¢- Black Litho Color Omitted Major Error SCV $575 -- Stuart Katz

$55

EFO C83 13c MISPERFED COIL STRIP OF EIGHT, INCLUDES LINE PAIR