Brown Materials Co.
Brown Materials Co., based out of Shawnee, Oklahoma, is one of the few vintage silver refiners from the state.
- Company Location(s): Oklahoma
- Dates of Operation:
- Known Bar Sizes: 1, 5, 10, 25, Odd Weight
- Related Refiners:
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Bars by
Brown Materials Co.
Brown Materials 10 oz – Picture Frame
- Metal: Silver
- Weight Class: ~10
- Specific Weight: 10.00
- Shape: Picture Frame
- Configuration: Horizontal
- Type: Cast
- Occurrence Frequency: Very Very Rare
- Locations: Midwest Refiners, Oklahoma
- Misc.: Rainbow, Toner
Brown Materials 10 oz. Portrait
- Metal: Silver
- Weight Class: ~10
- Specific Weight: 10.00
- Shape: Rectangle
- Configuration: Portrait
- Type: Poured
- Occurrence Frequency: Very Very Rare
- Locations: Midwest Refiners, Oklahoma
Brown Materials 10.00 oz.
- Metal: Silver
- Weight Class: ~10
- Specific Weight: 10.00
- Shape: Rectangle
- Configuration: Horizontal
- Type: Poured
- Occurrence Frequency: Very Very Rare
- Locations: Midwest Refiners, Oklahoma
Brown Materials 73.23 oz.
- Metal: Silver
- Weight Class: ~50
- Specific Weight: 40.72
- Shape: Rectangle
- Configuration: Horizontal
- Type: Poured
- Est. Mintage Date: 1980's, 1981
- Occurrence Frequency: Very Very Rare
- Locations: Midwest Refiners, Oklahoma
- Misc.: Crude Pour, Toner
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