Watch List notes:

Colliery checks, late 19th to early 20th century, in brass or copper (9): of Shirebrook (Derbys.); Northwood (Co. Durham); Parkgate (Notts.); Aldwarke, Rockingham and Sheffield (Yorks.); Gresford, and Deep Navigation at Merthyr Tydfil (Cox -) (Wales); N.C. & Co., unlocated, SURFACE; W. Lawley, brass threepence check, 1861, COAL, nearly very fine to nearly extremely fine, most pierced for suspension and rare (10)
*ex Baldwin's vault.
(Estimate: 60-120 GBP)