15c Black (77).
Natural s.e. at right, quartered cork cancel and tied by "Chicago Ill. Jun. 15" circular datestamp with "Chicago Ill. 6" credit datestamp on orange-buff 1869 cover to Paris, France.
blue boxed "PD" handstamp, Calais arrival datestamp (Jun. 30), missing part of backflap, Very Fine, a scarce Chicago exchange marking, carried on Allan Line steamer Nestorian,
departing Quebec Jun. 19 and arriving Liverpool Jun. 29, ex Noel
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