PDMHS were originally intending to bid on this, with the offer of donations from a number of members but on finding out Buxton Museum were bidding we decided to put the pledged donations (with the consent of those offering support) behind them so enabling them to increase their bid. Sadly, they were outbid at the auction yesterday so it looks like the glass will go into a private collection.
Lynn Willies has seen a similar glass in private hands in Derbyshire, though with a Hillcarr Sough inscription. I also contacted Dave Webb, who does have an interest in 18th century glass and he informed me that he once saw a glass at auction with a coal-mining related inscription, though it went for way beyond the price it would do without an inscription, so the purchaser may have wanted the Cromford glass for its rarity value (it's otherwise a fairly commonplace ale glass).
However, I spoke to the auction house last week and they kindly provided some good-quality images of the glass, along with permission to reproduce them with the appropriate credits so we at least do have a good record of it.
Follow the horses, Johnny my laddie, follow the horses canny lad-oh!