Auction Detail

never hinged vertical pair, top stamp the error, bright and fresh, very fine and choice, this error occurred in position 18 of the lower right pane as was the case with the 3c, according to BEP records all examples of this error were destroyed once it was discovered but approximately 15 examples are known to have survived (several theories are presented in Canal Zone Stamps), 1994 PSE certificate (Scott $1,000)

mint horizontal pair with left stamp the error, very fine and attractive (Scott $950)

mint single, fine and fresh, only one pane of 100 received the inverted overprint with just 80 of those stamps this error (along with 10 pairs of 86g), many of which are split horizontally, 1992 Philatelic Foundation certificate (Scott $500 for 86c)

mint vertical pair with bottom stamp the "Zone" only error, top stamp "Zone Canal" (86e), very fine and fresh, just 10 issued (and only 90 of the "Zone Canal"), a rare and attractive pair, 1966 Philatelic Foundation certificate (Scott $2,350 as singles)

mint block of 18 (positions 1-6, 11-16, 21-26), second printing (86.B), overprint shifted down and at an angle resulting in positions 1-3 with "Canal" only, positions 11-12 and 21-22 with "Zone Canal" (86e), and the balance of stamps with overprint split vertically (86.5a), couple trivial perforation separations, very fine, an extraordinary block which is the largest multiple of the "Canal" only stamp and perfectly illustrates how these errors occurred, 1976 APEX certificate (Scott $7,400 as singles)