Eimer 201.
29mm. Gold. By unknown Dutch engraver, after T.Simon.
Obverse with portrait of Cromwell, reverse showing shepherd with his flock under an olive tree, landscape in background. The attribution of c.1870 on the holder relates to the listing by Henley in 1877, however the production of these medals was almost certainly much earlier, likely late 17th Century.
Slabbed and graded by PCGS as SP63. The certification number for this coin is 41702723.