Commonwealth. 1649-1660. AR penny. Undated. 

No legend or mintmark, shield of St. George in wreath.
No legend, shields of St. George and Ireland, value mark dot I dot.

ESC 2263; Seaby 3222; Friedberg 879. 

Sold by Baldwin's of St. James's - Auction 26, Lot 287, Nov. 2018.