# 1310 (1966) SIPEX - Zip BK/4, UL, MNH

Regular price $0.40 Sale

US 1966

SIPEX

Sixth International Philatelic Exhibition.

Washington, DC - May 21-30, 1966.

Water Activated Gum
Scott 1310

Perforated 11
Upper Left Stamp Zip Code Block of 4

Mint Never Hinged

See also the listing for the single stamp, plate blocks and souvenir sheet (#1311).