Lot
539 
Mexico, 1861, Second Issue, 4r black on yellow, vertical bisect, Mazatlan, left portion of stamp tied by vertical manuscript line and mute "0" cancel on 1861 cover to Durango, matching boxed Concordia handstamp (Schatzkes 751), letter datelined from San Sebastian, Very Fine, one of the rarest bisects of this stamp as only one on piece was recorded in the 1970's census, ex-Koening; with 1995 M.E.P.S.I. certificate. Scott Nos. 9a Estimate $1,000 - 1,500.
Realized: $1,900