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Refining & Minting
8 min read
The Big 4 Swiss Gold Bar Refineries: PAMP, Valcambi, Argor & Heraeus
An inside look at the Swiss refining capital of the world, assay standards, and why Swiss-stamped gold bars command the highest resale premiums.
July 29, 2026
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Refining & Minting
9 min read
From Mine Doré Bars to .9999 Pure Bullion: The Smelting & Refining Process
How unrefined mine doré gold bars undergo Wohlwill electrolytic refining and Miller chlorination to reach .9999 LBMA purity.
June 17, 2026
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Refining & Minting
8 min read
When Swiss Refineries Bottleneck: Why Physical Gold Bar Premiums Decouple
Case studies on how refinery shutdowns create sudden dislocations between paper futures and physical delivery prices.
April 09, 2026
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Refining & Minting
8 min read
Comex Approved Gold Bar Brands: Valcambi, PAMP, Royal Canadian Mint & Asahi
The complete checklist of refiners whose hallmarks qualify for direct delivery against CME Comex gold futures contracts.
March 31, 2026
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