5c Brown, Ty. II (30A).
Tied by red grid cancel and matching "New-York Br. Pkt. Apr. 2" circular datestamp on blue folded letter datelined "Havana 18 Marzo 1861",
and addressed to San Sebastian, Spain,
blue "4R" due handstamp, red London and receiving backstamps, Very Fine, a very unusual use from Cuba to Spain via U.S.
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