Can you help identify this small coin? [opgelost]

I have another coin that I'm having a hard time identifying. I was hoping someone might recognize something that would direct me along the right path. The coin is about 17.5mm in diameter, and weighs about 0.48 grams. When we bought it, we were told it was silver. Any thoughts?

looks like simmilar to mine

https://en.numista.com/forum/topic144502.html#p1150532

Wow! I am beyond amazed! That definitely looks like ours. It also seems to match up well with the weight and dimensions. I feel confident that you've identified it correctly as a 1 Heller - Lorenz of Bibra from 1495-1519. Thank you so much for your help! I am so impressed with the wealth of knowledge on this forum!