Postmaster’s Provisional St. Louis, MO. 1845 10c Black on greenish (11X2)
Ms. cancel just ties enormous four margin copy on May 29th 1846 folded address sheet to New York. Red PAID and St Louis date stamp postmarks. Horizontal filing crease through top of stamp otherwise still fresh and very fine, with Philatelic Foundation certificate (2004). Scott retail $50,000.00.