# 1310 (1966) SIPEX - PB, LL #28531, MNH
Regular price
$0.45
Sale
US 1966
SIPEX
Sixth International Philatelic Exhibition.
Scott 1310
Washington, DC - May 21-30, 1966.
Water Activated GumScott 1310
Perforated 11
Lower Left Stamp Plate Block - #28531
Lower Left Stamp Plate Block - #28531
Mint Never Hinged
See also the listing for the single stamp and souvenir sheet (#1311).