Shilling Charles I Group D, Fourth Bust, type 3a, no inner circles, Reverse: Round garnished shield, no CR. S.2791 mintmark Tun, 5.88 grammes, VF/GVF with some flan stress, in an NGC holder and graded AU Details - Environmental Damage, the holder incorrectly describes an Aberystwyth Furnace issue.
Estimate: GBP 250 - 350