eBAY Requires full information unto how this autograph was obtained for authenticity, so upon shipping your autograph, a LOA (Letter of Authenticity info.) will be included in your winning(s) 

YOU ARE BIDDING ON A SIGNED 3x5 INDEX CARD OF CHRISTOPHER WALKEN .. OBTAINED THROUGH THE MAIL AUTOGRAPH REQUEST / SIGNED USING A MARKER - WELL PROTECTED  

Postage in the USA is 5.95$/ International Postage by eBay Global shipping