Air Post stamps. 1939, Juan de la Cierva, 1p blue, vertical pair imperforated between stamps, as well as two stamps - with additional double impression on gum side and with offset on reverse, full OG, NH, VF (Image)

Semi - Postal issues. 1927, Coronation issue, surcharges on Spanish Colonies in various colors, complete set of ten, full OG, NH, VF, the ''key'' values expertized by A. Roig, C.v. $1,300 (Image)