I don't get to travel outside of the UK very much, so I always ask friends that visit other countries to bring back some change in the foreign currency. I love looking at the artistic engineering that goes into the making of money and the detailed precision that of the print. I used the kit lense of my Canon 600D and combined it with a reverse macro ring. The head of the eagle in the photo is approximately 3mm in real life. There's too much head space and the eagle's eye isn't very shard