These 16 Schmidt's coasters have not been used, there is age related toning . They are 3 3/8" square and are two sided, both sides are pictured. Scans show front and back of one of the 16 being offered. Buyer to pay shipping , email me if you have any questions.I accept Paypal for payment.Payment is expected within 10 days of auction end. Good luck. See my other auctions and Ebay Store for over 900 similar items, I always combine shipping costs. International ...buyers are responsible for any duty or customs fees.