Please consider adding: W.H. Foster, Inc as an issuing entity.
I have in my collection 4- 3oz silver bars from 1969 that were issued by W.H. Foster, Inc before they changed their name in 1972 to Lewis & Clark Mint, Inc. These bars were minted and issued out of Walla Walla, Washington and part of a set called the Coeur D' Alene Mines bars that recognized different mines in Wallace, Idaho