Echo Park Stamps – Be Mine, Cupid & Co. – You’ll find many unique ways to say I love you this Valentine’s Day with the Be Mine Clear Photopolymer Stamp Set from the Cupid and Co. Collection. Included in the set are 21 clear photopolymer stamps by Echo Park. The set includes images of a vintage typewriter, a box of chocolates, a pick up truck full of flowers, a bicycle, lips, and more. The stamps can be used with an acrylic block and your favourite inks (sold separately).