# 3173 (1997) Sound Barrier - PB, LL #B1111, MNH

# 3173 (1997) Sound Barrier - PB, LL #B1111, MNH

$1.60 Sale

US 1997
FIRST SUPERSONIC FLIGHT
  Sound Barrier Surpassed, 50th Anniversary
Self-Adhesive Gum
Scott 3173
Die Cut 11.4
Lower Left Stamp Plate Block - #B1111
Mint Never Hinged
Back to US Plate Blocks - 2877 to 3449