William I AR Penny, London mint, Moneyer Sibode.

+PILLEMVS REX, Crowned and diademed bust facing beneath canopy 
of two columns supporting a triangular pediment.

+SIBODEON LIINDEN, Double quadrilatral figure with incurved sides, 
fleury at the angles, annulet in centre.

BMC 201; Seaby 1252.

Courtesy of TimeLine Auctions (www.timelineauctions.com), October, 2012