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64 guides on precious metals and numismatics — how they're priced, how they're made, what makes a coin worth more than its metal, and how to buy without overpaying.
What is a troy ounce? Learn the crucial difference between a troy ounce and a standard ounce, and why this universal unit of measurement is the foundation of trust in the global gold, silver, and platinum markets.
Read guideLearn about bullion coins, rounds, and bars made from precious metals like gold, silver, and platinum, and understand why their value is tied directly to their weight and purity.
Read guideTrace the history of gold prices from the fixed rate of the Gold Standard to the free-floating market of today, and understand why events like the Nixon Shock made gold a premier safe-haven asset.
Read guideHow to test gold at home step by step: hallmark, magnet, density, ceramic streak and acid kit, what each proves, and why toothpaste and vinegar tests fail.
Read guideCostco 1 oz gold bars from PAMP and Rand Refinery: price versus spot today, the per-membership limit, Executive rewards, and what the bars are worth when you sell.
Read guideWhat Costco silver costs versus spot: Kirkland Signature 1 oz bars, 10 oz bars and coin tubes, membership limits, and what the bars are worth when you sell.
Read guideGrade-by-grade price estimates for 174 classic US key dates, each sourced from a named numismatic reference — up to $1,714,917 for the finest known example.
Put the guides into practice -- melt values, ratios, and allocations against live spot prices.
Face value in pre-1965 dimes, quarters, or half dollars -> melt value at the live silver spot price.
Weight and purity, or a common coin preset, -> live melt value at the current gold spot price.
Weight and purity, or a common coin preset, -> live melt value at the current silver spot price.
Jewelry weight and karat -> melt value of the actual gold content. For gold that isn't bullion.
Today's ratio, what's historically normal, and what it suggests for your next purchase.
The age-in-ounces rule and the 10-15% metals envelope, run against your own numbers.
Specs and live melt value for common bullion coins, plus historic pre-1965 U.S. silver coinage.
What a past gold or silver purchase would be worth today, from our own recorded price history.
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