$250.00, located in Topanga, California, USA (902**), item #390180684069
1954Montevideo Fortress 7c & 3p (#610, 619),imperf proofs in15 horiz. pairs, ofcenter only (x7), and 7c (x6) & 3p, each stamp with Waterlow tiny 1.5mm security puncture,a complete set of proofs as found in the Waterlow archive, NH, F-VF.