vertical pair, types II and III, margins ample to huge, tied by single pen stroke to 1845 folded letter to Philadelphia (Charnley & Whelen correspondence), red "St. Louis Mo. Dec 4" datestamp with matching "Paid", manuscript "20" rate, extremely fine, a wonderfully attractive cover with a sound pair of stamps with full margins, USPCS census #21105, 2022 Philatelic Foundation certificate (Scott $22,500)
Provenance: Charnley & Whelen Find (H.R. Harmer Sale 503, 1948)