This medal to Lt A E Judd, Driscoll's Scouts, sold at Spink in July 2019 for a hammer price of £650. It is being advertised in the next Spink online sale, with no information and an estimate of £160-£200.
The Spink online auction has opened. The QSA to Lt Judd, Driscoll's Scouts, had already reached a bid of £500. The auction closes in another 10 days, at which time the catalogue for the next, full Spink auction should be available