I have had this coin for about 10 years every once in a while iwill try and look it up ,always with no luck ...can anyone help? On one side is a two headed bird facing away from eachother ans the other is 2 towers with the date 16?? Split between the towers...... in between the towers is an hourglass and underneath that is the skull and crossbones.... if anyone can healp please do... looking for origin date.and worth......thank you again...