Lanarkshire 21, Glasgow. Angus' (Dalton & Hamer, page 415)

Denomination: farthing, scarcity: Very rare (RR)
21. O: A sugar-load. JAMES ANGUS. A FARTHING. Wider space between the G of 
       "FARTHING," and the S of "ANGUS."
    R: TEA SHOP above, GLASGOW below. A SHIFT 1780 in the centre in three lines.

No. 21, RR.

Keywords

james angus,a farthing,tea shop,glasgow,a shift 1780