Brt-445a. Wt = 24.40g. Diam = 39.0-39.2mm
Stevens Collection. Photo from Baldwin, sale 54, lot 183. Axis ↑↑

Wt = Listed as 24.28g. Looks like the same specimen as above
Photo from Bombay Auctions, sale 8, lot 750

Wt = 24.04g. Axis ↑↑
Photo from Noonan 8^th Feb ’23 (Puddester), lot 222 (ex Baldwin, sale 22 (Wheeler), lot 42; ex Glendining, 18-19 October 1982 (Pridmore) lot 410, described as “mint specimen”)