bold complete cancels but does not tie 3c Rose (65) to cover to Blackstone, Massachusetts, matching "Waterbury Con Sep 25 '67" double circle datestamp alongside, very fine, this is the only recorded example of the Waterbury pig cancellation which we consider to be among the finest of all Waterbury covers, a spectacular rarity, 2023 Crowe certificate

Provenance: John R. Boker, Jr. (Private transaction