"Fred Holabird's Grand Finale": Mining, Americana, & Numismatics Live Auction (2025 October)

3 identical cast iron Silver-Gold ingot molds, unmarked, manufacturer. External size 17 x 7.5 x 6.5" the maximum ingot size would have been 10....

2 stacking silver-gold ingot molds, post 1900, 17" x 8 x 5" cast iron unmarked manufacturer. ^ Date: Country (if not USA): State: C...

Goes to a 12" graphite crucible. Overall length 49" Possible from Eureka consolidated or Richmond Eureka mines. ^ Date: Country (if not ...

52" x 6" cast iron, constructed of drilled steal and bottom half of a mercury flask. c1900-1920 ^ Date: Country (if not USA): State: ...

Small Calkins Advanced Combination Mining & Melting assay furnace No. 3 by Mine & Smelter Supply Co., Denver, Salt Lake, El Paso. The top wa...

Lot of 9. 1. Three "The Tyler Standard Screen Scale". The W.S Tyler Co. Three mesh sizes : 60,100,200 mesh to the inch. Brass, in good ...

Never seen before! Mind blowing. 38.5" x 16" x 3" This wooden, steal enforced drill core box with lock (lock not original) marked &qu...

Solid iron mine drilling bit head. Teeth are worn out, but unmistakably a drilling tool for rock. Large and extremely heavy, measures nearly 14"...

Collection of large and small drill bits plus 2 small wood drill bit boxes. 3 brass sieves, no 18, 20, 100 plus the base. Homestake half drill core. I

Drywasher manufactured by CJ Pohl manufacturing co San Andreas, California. Original brass plaque from manufacturer. This has been outside for several