Jackson's Hallmarks, pocket edition
English, Scottish, Irish silver and gold marks
Author: Ian Pickford
Format: softback, 176 pages
Date letters and makers' marks for England, Scotland and Ireland (from 11 Assay Offices)
English Provincial Marks, Scottish Provincial Marks, Irish Provincial Marks,
Cycles of hallmarks (date letters) and makers' marks for all of England, Scotland and Ireland, as marked at the Assay Offices of London, Birmingham, Chester, Dublin, Edinburgh, Exeter, Glasgow, Newcastle, Norwich, Sheffield and York.
This is the standard reference book for dating items from 1300 to 2011.
They call this the 'pocket' version because it is pocket-size; the original is large (it weighs 3Kg). Despite the small size of this edition, it contains 15,000 marks.