1066 Penny William I Bonnet Type Aegelric Obverse 1066 Penny – William I (William the Conqueror) Bonnet Type - Silver penny of William the Conqueror, struck around 1066 at the London Mint of moneyer Aegelric. The Obverse shows a facing crowned and diademed bust of King William I with two fillets to sides. This is known as the Bonnet Type (BMC 2).