111L1, New York City Express Post, 1847 2c Black on Green, single cut to shape and tied by red "New-York 5 cts. 6 Aug" datestamp to 1847 folded letter to Wethersfield, Connecticut, stamp with vertical file crease and enamel surface wear at top, still fine and rare, just about 15 examples of this stamp on cover are known, 2022 Philatelic Foundation certificate (Scott $2,000)