Starting coming Tuesday (November 24), Bank of Latvia will issue their latest silver collector €5 coin commemorating
Ventastega, a Devonian period animal, one of the most important discoveries in geology and paleontology
From bank's description of the coin:
This coin is special as the ventastega's skeleton is marked with photo luminescent print. Keep the coin in direct bright light for at least 40 seconds; then look at it in the dark - ventastega's skeleton will glow.(More information
here.
3000 coins will be struck with a price tag of €48 per coin. The coin can be bought online on central bank's e-shop.
Aditya