The round stand with a single line of edge reeding surrounding a domed center with crest

and motto : a hart?s head below the motto STEADY (Fairbairn?s 121.5) :

Dalrymple (Scotland), or M?Adam of Craigengillan, Ayrshire (Scotland);

marked verso with a Thistle, George III in an oval punch, and ID in a shield punch*

*ID in a shield : There are two listed Edinburgh silversmiths using the Roman initials ID, both working at the time this George III. 

The punch was used : James Dempster and James Douglas.  Both are shown with an ID in an oval punch.

This could be a variant for them, or by an unlisted or provincial maker.

Condition : Very good, with expected patination of small scuffs and scratches;

one minor dent at 2:30, shown above

4" Diameter / 1.4 oz.