This rare pair of Switzerland Air Mail Postage Stamps is a must-have for stamp collectors and enthusiasts. The set includes two stamps, 30 and 50 Rpn, both with a carmine overprint and in mint hinged quality. The stamps were issued between 1919-1920 and were certified by Emil Rellstab in 1985. These Switzerland regular issue stamps with Air Postage overprint are a great addition to any collection, showcasing the beautiful design and color of Swiss stamps. The set is a perfect item for those interested in Swiss or European stamps and currency. The condition of the stamps is mint hinged.  The 30 rappen has a trace of hinge while the 50 rappen has a hinge remainder.  The stamps are clean with no faults.  The stamps are fully gummed and well centered.