The boy shifts his weight from one foot to the other, then back again.
"Umm ... Do you have any coins?" he says eventually. "From Shanzi," he adds by way of clarification, although stumbling a bit over the pronunciation. "Wanna swap? You probably can't use your coins here. I have some SaxImperious coins. You can use them here.
"Why are you interested in the mask man?", he says suddenly changing tack. "Heddy thinks he is a druid. He does have a dog that can disappear, so maybe he is a druid. And some children, but I don't think that they are real children."
He reaches into his robe and pulls out small pouch and spills the contents into his hand; three copper coins, two local and one not, as well as a quarter bit of silver.
"These are my swap coins. I have other coins, including a real gold coin. I don't have them now. Frau Wollinger keeps them safe for me. They are not swap coins, so you can't have any of those."