Ever see the '80's movie Labyrinth? ~Flashback~ Features a "13 hour clock" .. the amount of time given to solve the Labyrinth.. Add a nice "SPQR reverse" coin at the 13 o'clock position and you're set!! Haha!!
If you start with this post and scroll down, you can see some of the other holey coins. The Eliasberg Zeno solidus was the centerpiece of my hat. Zeno (emperor of the East, A.D. 476-491). AV Solidus. Thessalonica, A.D. 476 or later. Pedigreed to the famous Louis E. Eliasberg Collection. RIC 941. Metcalf 223. Choice VF. 4.27 grams, 20.40 mm. Obv Helmeted, cuirassed bust three-quarters facing of Zeno, holding spear and decorated shield. Rev Victory standing l., holding long cross, two stars in field. A scarcer issue. Scratched in right obverse field and holed, otherwise Choice VF.