VERY FINE. A RARE COMPLETE SET OF THE 1970 6-CENT CHRISTMAS ISSUE BLACK-OMITTED ERRORS.
The Datz book reports only 5-6 of each known. Two with older A.P.S. certificates.
VERY FINE. A RARE PLATE BLOCK OF THE 1970 6-CENT CHRISTMAS ISSUE WITH TWO BLACK OMITTED ERRORS.
The Datz book states only 5-6 of each are known. With 2001 P.F. certificate. Inexplicably, Scott prices this transition plate block the same as two individual single errors
VERY FINE. AN EXTREMELY RARE EXAMPLE OF THIS COLOR-MISSING VARIETY. ONLY FOUR ARE RECORDED.
The Datz books states four are known of the No. 1436b error (150 of No. 1436a).
With 1975 A.P.S. (for a block of four) and 1991 P.F. certificates
VERY FINE. THIS IS THE ONLY RECORDED EXAMPLE OF THE 15-CENT MT. McKINLEY NATIONAL PARKS CENTENNIAL ISSUE WITH YELLOW OMITTED.
The Datz book records only one example of this color-missing rarity. Accompanied by a normal stamp for comparison
EXTREMELY FINE. A RARE EXAMPLE OF THE TOM SAWYER COMMEMORATIVE HORIZONTAL PAIR, IMPERFORATE-BETWEEN ERROR.
The Datz book records only six sound error pairs, plus one additional pair which is damaged, making this one of the rarest modern perforation errors. We last offered one in our 1978 Rarities sale