John (as King, 1199-1216), Third coinage, Halfpenny, Dublin, Roberd, ROBERD ON D, 0.76g/5h (SCBI Ulster 377ff; S 6231; DF 51). Provenance: North Yorks Moors Collection (Marvin Lessen), With Seaby 1961; Stack’s/Bowers/Ponterio Auction 159 (Baltimore), 28 March-2 April 2011, lot 10506. Images courtesy of DNW.