Ligature Seal, CM PZ, Image by StuE, Found by Paul Hewett.
Found in Essex, 23mm, 12.7g.
A merchant mark design on one side consisting of a figure 4 with an extended leg crossed by a second bar and leading down to a large heart enclosing the letters C and M in circles that incorporate the top curves of the heart and the letters PZ near the pointed bottom of the heart. The other side has the depiction of a bunch of grapes.
