5c Dark Brown (1a).
Ample margins to touched, light corner crease, tied by red square grid cancel, matching "New-York Jul. 2" circular datestamp on 1849 blue folded letter to Rahway N.J., clear strikes of Swarts' "Letters for N. York City Direct to Chatham's Square Post Office"
(on backflap) and "Post Office Swarts Chatham Square"
oval handstamps, also "Paid" Swarts handstamp, mathematical notations on back and inside, Very Fine appearance and an unusual use, with 1979 P.F. certificate
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