This handsome glass model of a revolver is currently up for auction on eBay. Starting bid is GBP 9.99 (approx US$19.30). From the auction listing:
COLT 45 TYPE GUN SHAPED GLASS BOTTLE HAND MADE
THIS IS A RARE CONDITION WITH A NICE WELL DETAILED EMBOSSING GLASS SURFACE..A LOVELY BOTTLE TO HAVE IN YOUR COLLECTION BOTTLE APPROX 10" LONG.. .
Link (Thanks, Michael-Anne Rauback!)