Coin Silver in St Joseph, MO?

[grrwoof]

This appears to be a coin silver makers mark, but the beaker is heavy for coin silver. It says Baldwin St Joseph Mo


.

[miner]

Just a possibility!

St Joseph City Directories for 1889 and 1890 list the following:

Name: J. W. Baldwin; C. H. Seaman
Location 1: 318 Francis
City: St. Joseph
State: MO
Occupation: manufacturing jewelers
Year: 1889
Business Name: Baldwin & company


J. W. Baldwin; C. H. Seaman
Location 1: 318 Francis
City: St. Joseph
State: MO
Occupation: wholesale jewelers
Year: 1890
Business Name: Baldwin & company
.