An antique coffee grinder can be easily located over the Internet. In fact you can find one at eBay. The website features a lot of antique grinders. The best thing is that such a wide range of options also provides you an opportunity to pick the cheapest coffee grinder. Another good place to locate an antique coffee grinder is the local antique shop. An antique shop would provide you with some truly unique coffee grinder from olden times. You can also find them at various auctions.