Sea Glass Marbles Postcard Prints. 10 Pack, 4x6. Best Quality Gifts, Birthday Cards, Thank You Notes & Invitations. Unique Christmas and Valentines Gifts for Women, Men and Kids of All Ages Printed in USA. All inspired by flowers, nature, and legendary Ansel Adams and the paintings of Georgia O'Keeffe, Van Gogh, Claude Monet, Henri Matisse and Pierre Auguste Renoir. Green wind powered printing using FSC fine high quality paper on 120lb cover stock. Mailed flat free prime shipping in clear plastic sleeve with heavy card board backer.Fascinating Black Friday Deals and Cyber Monday Sales Updated 2015 - 2016.