All autographs are quaranteed 100% authentic and come with a full money back guarantee for authenticity. Payment is expected within 10 days of close of auction. I prefer paypal. If you are not in the United States the only For Bidders in the United States I also take money orders and check. I combine items bought within 5 days of close of auctions. Checks must clear prior to shipment. Shipping within the United States is $2.00. Shipping outside the United States is $4.00. I do combine multiple auctions won within 5 days. Please ask your questions prior to posting a bid or winning an auction.