Watch List notes:

Mining interest: Newcastle-upon-Tyne, Royal Mining, Engineering and Industrial Exhibition, silver medal, 1887, by Reid & Sons, Newcastle, arms of Newcastle and date, rev. panoramic view with the High Level Bridge, named on edge to 'Aqueous Works & Diamond Rock Boring Co Ld. London. & John Vivian.', 51mm. (BHM.3343; Eimer 1730), in case of issue, choice extremely fine
The Aqueous Works & Diamond Rock Boring Company was founded by the entrepreneurial Col. Sir Francis [Frank] Bolton (1831-1887) in 1879, with offices in Victoria Street, Westminster. See following lot.
(100-150 GBP)