Tested different ring sizes--ALL of them silver .925 or Sterling--tested with Fisher F5 passing each ring at least 6 times under the coil for a consistant number. Items in the ground may read lower or higher on the screen, depending on soil conditions and how long item has been buried.
Rings reading above 72 were thicker width, than the rings with the lower numbers than 72.
ALL THE RINGS TESTED WERE SILVER !!!
VDI number and the ring size.
Fisher F5 VDI ring size
55------------------------------10
58-------------------------------6
60-------------------------------3 1/2
60-------------------------------7
60-------------------------------7 1/2
63------------------------------5 1/2
63------------------------------7
66------------------------------5 1/2
66-----------------------------7 1/2
68/70--------------------------9
70------------------------------6 1/2
71------------------------------7
71------------------------------7 1/2
71-----------------------------9
71-----------------------------9 1/2
72-----------------------------4
72-----------------------------6 1/2
74-----------------------------8
76-----------------------------7
77-----------------------------5
78-----------------------------7
79-----------------------------8
79-----------------------------8 1/2
79---------------------------- 12 1/2
80-----------------------------9
82-----------------------------8 1/2
84------------------------------9
84-----------------------------11 1/2
88-----------------------------10
90-----------------------------13 1/2
