1691 Five Guineas, William and Mary, elephant and castle, very rare 1691 Five Guineas, William and Mary conjoined busts, elephant and castle, reverse, Crowned shield, TERTIO on edge, S.3423, extremely fine, very rare. Type: Milled Gold Monarch: William and Mary Date: 1691 Price: £40,000 ENQUIRY FORM To enquire about this Coin please use the form below Your Name* Your Email* Subject Your Message Human test: Which is bigger, 2 or 8? Posted in Commonwealth and House of Orange, Denomination, English Coins, Metal, Milled Gold.