Presented for auction is a US Stamp #C-18 - 50c 1933 Airmail Century of Progress MINT NEVER HINGED MNH $100! Stamps are shipped USPS First Class Mail - Certified Mail ($2.85 extra services charge) to protect both buyer and seller from claims of items not received. I do provide money back refunds if you happen to be unsatisfied with the stamp quality. I list stamps under the "Private Listing" setting to conceal all Bidder ID's and to keep the item from showing up in the Bidder's transaction history. You will still receive feedback for the item but the item details and link will be noted as "Private" I provide feedback as soon as you receive the item and provide positive feedback for me.