Follow us and Sign up for newsletter. To receive news and upcoming specials! Obtaining Certificates of Authenticity. Stamps generic certificates/opinions from The Philatelic Foundation, PSE, PSAG or the APS are accepted. Proof of the inability of a competent authority to express an opinion is not grounds for return. Auctiva Free Image Hosting. The item “USA 1893 $5.00 Columbian Used SC# 245 Cats $1,200.00 Fantastic Quality” is in sale since Thursday, January 26, 2017. This item is in the category “Stamps\United States\19th Century\ Used”. The seller is “krueson” and is located in West Palm Beach, Florida. This item can be shipped worldwide.