The "Mint State" Americana & Numismatics Auction (2025 May)

Dinosaur egg cast with multiples from an unknown species. Fossil shell exterior with sandstone interior. 4x3.5". ^ Date: Country (if not USA...

2 larger Dinosaur egg casts from an unknown species. Fossil shell exterior with sandstone interior. Up to 3x2.5". ^ Date: Country (if not USA...

2 Dinosaur egg casts from an unknown species. Fossil shell exterior with sandstone interior. Up to 2.2x3.7". ^ Date: Country (if not USA): St...

Dozens of small fossils from China. See photo. ^ Date: Country (if not USA): State: City: Provenance: Chunlin Zhu Collection PLEASE NOTE: We

Upper and lower fossilized teeth from a great white shark. About 2x1.5". Found in Lompoc, CA. ^ Date: Country (if not USA): State: City: ...

Yukon Territory silver bullion barge, Dawson. B/W. Very good cond. ^ Date: 1900c Country (if not USA): State: Alaska City: Provenance: Fred

C. 1910 RPC of Churn Drill Copper Mine on top of the hill. ^ Date: Country (if not USA): State: Arizona City: Miami Provenance: PLEASE NOTE: W

From the Cerro Gordo district, a 2 1/2 x 2 x 1 1/2 inch lead silver ore specimen. 329 grams. Cerro Gordo (Fat Hill) was a collection of mines in the

This assay is by the Yellow Aster Mining Co. dated 1904. It holds 499 oz. of gold with fineness of 795 for gold and 187 for silver. The total value se

Brochures, advertising pieces and more from Joshua Hendy Ironworks of San Francisco, a company, founded in 1856, that supplies the mining industry wit

This is a brass nameplate from Joshua Hendy Machine Works of San Francisco. The plate measures 2.5"x 5.25" and in very nice condition. The...

Story of the Gold Discovery Centennial, 1948. California of the North by Eitel, 1889. Siskiyou County, CA souvenir edition by French, 1915. Ghost Town

Mining Tuolumne County by Thom-tape repairs, some notes on pages. Bodie, Boom Town-Gold Town by McDonald, 1988 with good photos. Melones, Story of a S

Lot of 6. 1). Two 1862 receipts for the Tuolumne County Water Company. Columbia, CA. 2) 1864 Constitution & By-Laws of the Tuolumne County Water...

A copy of the pamphlet 'How to Mine Placer Gold: A Beginner's Guide, Non-Technical' by geologist Paul D. Cooper, published 1932. The pam...

A copy of 'Forgotten Men of Cripple Creek' by Leslie Doyle Spell and Hazel M. Spell, published in 1959 by Big Mountain Press. Hardback, 160 ...

Diamond hoaxes is the subject of this group of ephemera. From Colorado to Antwerp. The stories are illustrated through articles and letters. Please se

This lot contains a few mining history items from various Nevada towns. Included is a December 17, 1881 issue of the Esmeralda Herald, the newspaper o

Unissued stock certificate of the Goldfield Commonwealth Mining Company, three vignettes. Also 1910 assay reports from the Goldfield C1 Mill featuring

This document from the Selby Smelting and Lead Co. of San Francisco received silver ore from the Reno Smelting and Refining Works on Nov. 28, 1887. 11