I designed this pendant myself, and unless I make another it is the only one in the world. Certainly if I did make another it wouldn't look exactly the same since I likely couldn't reproduce this colour. It is made of an acrylic-based photopolymer, originally white, but hand-dyed by me, and is a unique item. The white one in the image shows what it looked like before dyed and the quarter is shown for reference. Size is 4cm x 3.6cm and is 3mm thick.