Many Friends, “Thank You," Foil Stamped Cards, by Katharine Watson, 6-packA Katharine Watson foil stamped card, featuring real copper foil. Each card is a standard A2 size, 5 by 4 , is blank on the inside, and comes with a 100% recycled kraft envelope. For her foil stamped cards, Katharine begins each greeting card design with a watercolor painting or hand carved linoleum block, which is digitally translated and later, individually foil stamped by her printing partners. These cards are blank inside.