Hawnjigs
KISS
Been going on for quite some time now. I got a Sparkie, no markings, but pours OK. Seller thinks they're original prototypes.
http://shop.ebay.com/oldux/m.html?_nkw=&_armrs=1&_from=&_ipg=25
http://shop.ebay.com/oldux/m.html?_nkw=&_armrs=1&_from=&_ipg=25