John Pearson Marks
'JP' initials
Copper work which bears a manuscript 'JP' (with or without a date) are generally taken to indicate work by John Pearson. However, there appears to be two different styles of manuscript initials which I list below as style 1 and style 2.
Style 1 has 'straight initials', for example:
Style 2 initials are much more 'florid'', for example:
