The silver sparrow caught my attention before. ery unique and pretty looking coin.
Links in OP don't seem to work, do you have any photos of the hologram side of the coin?
Here is one from another user
and they also came with COAs
Confirming that the coin in OP comes with the corresponding CoA
Woa, thanks for the pics, MJ.
These are some of the finer looking bitcoin collectibles I've seen so far. I guess there was no 0.1 or any other denomination version?
I believe that these were only released as 1 BTC versions. There were some gold plated versions, but also of the 1 BTC denomination.