1912, Fernandez de Cordoba, reading down overprint (type II) CANAL ZONE on 2c vermilion and black with inverted center, full OG, previously hinged, VF, C.v. $600, Est. $300-$400 (Image)

1939, 25th Anniversary of the Opening of the Panama Canal, 1c-50c, complete set of 16, unfolded blocks of four, full OG, NH (a few blocks with typical gum waves), VF, C.v. $651 as singles, Est. $300-$400 (Image)

Air Post stamps. 1939, 10th Anniversary of Air Mail Service and 25th Anniversary of the Opening of Panama Canal, 5c-$1, complete set of six, blocks of four, full OG, NH, VF, C.v. $369++, Est. $150-$200 (Image)