$55

US EFO ERROR Stamps #2540 $2.90 Olympic Eagle, Bird: Huge Perf Shift! MNH

$175

1478, Mint NH 8¢ Stunning Color Shift Error * WoW * Stuart Katz

$40

1470, 8¢ Tom Sawyer Plate Block with Multiple Dramatic Color Shifts, Mint NH

$45

1478, Mint NH 8¢ Big Color Shift Error With Normal * Stuart Katz

$35

USA Scott# 1280 Mint NH Plate # Block with Massive Plate # Capture (56285)

$149

C3 (24c Jenny) - "HIGH PLANE" VIGNETTE SHIFT - BREAKS CARMINE FRAME in 3 PLACES!

$90

1991, USA FAWN 19C, CORNER MARGIN SINGLE WITH RED OMITTED, NH, SC. #2479b

$250

739, MNH 3¢ Fold Over Error Creates Imperforate Bottom Selvage * Stuart Katz

$45

USA Scott# 1926 Mint NH Plate Block of 4, Black Color Shift (56423)

$180

1979, USA JOHN PAUL JONES, 15C, VERT PAIR PROOFS W/GUTTER, NH, SC. #1789Pg

$20

2281a, Mint NH 25¢ Imperforate Pair Error - Stuart Katz

$45

USA Scott# 1281 Mint NH Plate Block of 8, Interesting Perforation Shift (56336)