1913, 1¢-10¢ Panama-Pacific complete, perf 12. Rich bright colors, tied by two strikes of "Vera Cruz, Mex., U.S.M.C., Jul 20, 1910" duplex postmarks on registered cover to Philadelphia, Pa., purple straight line "U.S. Postal Agency, Vera Cruz, Mex." handstamp and matching registry handstamp, Extremely Fine and choice, ex Gibson. Scott No. 397-400  Estimate $400 - 600. $0 (Image)