Brown Materials 40.72 oz.

A very rare flat Brown Materials vintage silver bar in 40.72 oz. Likely resulting from the remaining silver from the similar shape/toned 70.23 oz pour. As far as we know these are the only 2 examples in this format!

  • Metal: Silver
  • Weight Class: ~50
  • Specific Weight: 40.72
  • Shape: Flat, Rectangle
  • Configuration: Horizontal
  • Type: Poured
  • Est. Mintage Date: 1980's, 1981
  • Occurrence Frequency: Very Very Rare
  • Locations: Midwest Refiners, Oklahoma
  • Misc.: Crude Pour, Swirls, Toner

Similar Bars

Homestake Gold 1976
  • Metal: Gold
  • Weight Class: ~50
  • Specific Weight: 45.33
  • Shape: Rectangle, Rounded Edges
  • Configuration: Portrait
  • Type: Poured
  • Est. Mintage Date: 1970's, 1976
  • Occurrence Frequency: Very Very Rare
  • Locations: South Dakota
  • Misc.: Crude Pour, Grail Bar, Swirls, Very Rare
Brown Materials 73.23 oz vintage silver bar front
  • 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
Big GA Golden Analytical 50.1 oz No. 3.129 Front
  • Metal: Silver
  • Weight Class: ~50
  • Specific Weight: 50.1
  • Shape: Chunky, Rectangle
  • Configuration: Horizontal
  • Type: Poured
  • Est. Mintage Date: 1980's
  • Occurrence Frequency: Very Rare
  • Locations: Colorado
  • Contributed by: Johnny Walker
Ag-Met Vintage 46.03 Silver bar Front
  • Metal: Silver
  • Weight Class: ~50
  • Specific Weight: 46.03
  • Shape: Trapezoid
  • Configuration: Odd
  • Type: Poured
  • Occurrence Frequency: Very Rare
  • Locations: Northeast Refiners, Pennsylvania
  • Misc.: Odd Shape