ENGLAND Edward IV. 1461-1483.: AR Groat (25 mm, 2.86 g). London mint. 

Edward IV AR Groat. London mint. EDWARD DI GRA REX ANGL Z FRANC, crowned facing bust in nine-arc polylobe / long cross in three dotted circles, outer inscription +POSVI DEVM ADIVTOREM MEVM, inner inscription CIVITAS LONDON, three dots in each quadrant inside inner circle.

Seaby 2003.

From John Jencek, www.ancient-coins.com
August 2007