$19.95

Centsational EFO MNH SN 2967 - Marilyn Monroe- Missing Star Perforation Top Left

$16.75

US STAMP 1470 EFO PLATE BLOCK Tom Sawyer 8c COLOR SHIFT FACES MINT NH OG

$12.99

806 - 2Way Misperf Error / EFO Presidential/Prexie Series "John Adams" Mint NH

$25

1763a, Mint NH 15¢ Owls Color Shift Error In Block of Six * Stuart Katz

$19.99

1467a Wildlife Conservation EFO Printing Color Shift Variety Mint NH BZ1730

$29.95

E22-23, MNH Over Inking Printing Pair of Special Delivery Stamp Errors

$300

C125a, Mint NH 45¢ - Massive Blue Color Shift Error PL# Block Of 8 * Stuart Katz

$8

1858 George Mason, Misperf, Change of Design, Error, Mint NH

$49.95

Perfectly Flawed SN 1240 MNH - Misperf on Presentation Panel 8.5” X 11”

$22.95

2251, Mint NH 29¢ Black Color Shifted Down Freak Error With Normal - Stuart Katz

$7.79

1975 USA Scott 1618 Ciol with Significant Perf Shift - Light Crease

$11.09

US SC# R25c Used / Few Middle Paper Fold Errors / NICE CDS - S39302