Full set of imperf proofs & an extra set of imperf proofs of frames only, punch holed. Ex - Waterlow & Sons proof files. The item "PANAMA 1951-52 SPORTS Sc RA31-RA35 FULL SET IMPERF PROOFS + FRAMES IMPERF PROOFS" is in sale since Tuesday, May 15, 2018. This item is in the category "Stamps\Latin America\Panama".The seller is "victorgg" and is located in Buenos Aires. This item can be shipped worldwide.