Well then, I'll be sure to ask him when I next see him, shall I? Although...

[Muffet smiles as a thought strikes her- she did have some in her pocket, she knew, even after giving one to Guzma. It went against old habits, but there wasn't much use for them here anyway, and she still had plenty left back at home...]

It occurs to me that it might be easier for you, if you had a proper coin to practice with.