Appears to be quite varied offering of coins from around the world.
Interesting that a majority of them are not graded/authenticated.

You paid about $375 for the Cas coin in August 2023 and they have it listed at $165
Were you able to tell them the starting price or do they decide for you?

https://bitcointalk.org/index.php?topic=5464284
https://bitcointalk.org/index.php?topic=5464284.msg62762976#msg62762976

https://subastas.tauleryfau.com/en/lot/25092024-3882-3882/767-3048-Monedas-Extranjeras