The Collage Necklace Gallery Double-sided Collages These necklaces each contain 2 original hand-made collages - most based on images from European postage stamps. As they are reversible, , they are especially versatile for travel. Each collage is unique. To see a selection of Collage Necklaces currently available for sale, please visit my Etsy shop - http://SybyllaRosendale.etsy.com