Guinea, 1689. S.3427; Fr-305; KM-474.2. 
William and Mary. G over I in Regina. 

GVLEIMVS ET MARIA DEI GRATIA, jugate busts right, elephant & castle below.
16-89 MAG BR FR ET HIB REX ET REGINA, crowned coat of arms. Fr 305. 

Courtesy Ira & Larry Goldberg Auctioneers, Beverly Hills, CA. www.goldbergcoins.com
Sale 31: The Pre-Long Beach Auction May 30 - June 1, 2005, Lot 2229