Grisbaum & Kehrein Tan

I was utterly shocked to log into the gallery and see nothing quiet like this one as Grisbaum and Kehrein bottle tend to be common. This antique Wisconsin clay bottle can be considered no less than very rare and maybe extremely rare. It is not the standard salt glaze grey of most 1870's clay beer bottles. On top of that the stamp is very low on the heel of the bottle. This one hits eBay tonight so I will post the final sale price when the auction closes in this listing.