Two Millennia Of Creating Beauty In Gold And Bronze
There is evidence that lost wax casting began in the first century AD. Think about the technology required. Beeswax seems to be an obvious wax source. But then one needs the clay or ceramic mold material. And of course a way to blow air through at least a bellows to get the gold molten and fluid enough to cast.
Retailers-Make sure your staff knows some history. It’s a great way to encourage and share enthusiasm for the product. Sales people-Sharing a bit with the consumer adds lots of interest and helps you sort out the serious buyer.
Wikipedia has an extensive entry on this you can use this link and dig in for all the detail you like.