According to https://casasciustracker.com/status/
Series Total Active Redeemed % Redeemed
Series 2 - 0.5 BTC 3123 2139 984 31.51%
Series 3 - 0.5 BTC Silver 940 843 97 10.32%
However, I lack the encyclopedia to understand which version this coin is?
Edit - were there any silver .05 S2's?
Series Total Active Redeemed % Redeemed
Series 2 - 0.5 BTC 3123 2139 984 31.51%
Series 3 - 0.5 BTC Silver 940 843 97 10.32%
However, I lack the encyclopedia to understand which version this coin is?
Edit - were there any silver .05 S2's?
Yes, there were 45 of them produced
Last auction for one was in January 2023: https://bitcointalk.org/index.php?topic=5437215