England, Offa, King of Mercia. AR Penny, Canterbury mint, 787-792). Moneyer Ibba. 1.18 g. 

OFF REX in four lines to left and right of diademed and draped bust right. 
IBBA in the angles of a floriate cross with diamond-shaped centre containing a small cross. 

North 301; Seaby 905; Blunt 65.

Images & text re-used by permission, courtesy of Ira & Larry Goldberg Auctioneers, Beverly Hills, CA