Siege of Amsterdam; emergency coin of ten pennies; minted from the urban silver; diamond shaped emergency coin with beveled corners. Front: two stamps one above the other; from bottom to top: mintmaster sign: letters P and G; city coat of arms: crowned coat of arms between years; left of crown letter X; right letter S inside round pearl rim. Reverse: inscription inside laurel wreath; Amsterdam; Roelant Goverts Pigge; 5-Jan-1578; silver (metal); striking (metalworking); h 3 cm x w 2.9 cm x w 6.76 gr