BRT-217. Wt = 26.96g. Diam = 39.0-39.4mm. Mexican Dollar – used as blanks for the larger coins in this series

 

Au (%)

Ag (%)

Cu (%)

Zn (%)

Ni (%)

Sn (%)

Bi (%)

Pb (%)

As (%)

Fe (%)

0.16

91.27

7.82

0

0

0.43

0.1

0.22

0

0

0.16

92.77

6.47

0

0

0.4

0.06

0.14

0

0

Stevens Collection

 

Wt = 21.16g. Diam = 36.8-37.4mm. I/IV

Au (%)

Ag (%)

Cu (%)

Zn (%)

Ni (%)

Sn (%)

Bi (%)

Pb (%)

As (%)

Fe (%)

0.17

93.09

6.24

0

0

0.16

0

0.26

0.08

0

0.19

91.34

8.11

0

0

0.13

0

0.23

0

0

Stevens Collection

 

Wt = 20.91g

Photo from Noonan 8th Feb ’23 (Puddester), lot 90

 

Wt = 21.17g. Diam = ~36.5mm

Photo from Heritage Auctions, sale 440, lot 51335