Index/Organizations/New General Catalogue

New General Catalogue

Astronomical catalogue of deep sky objects

Fact-Checks

9 results
Jan 22, 2026
Most Viewed

What is the melt value of a Morgan silver dollar at today’s silver spot price?

The of a Morgan silver dollar is its intrinsic silver content multiplied by the live silver : each Morgan contains about 0.7734 troy ounces of pure silver, so melt value = 0.7734 × spot price . Exact ...

Jan 28, 2026
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How much silver is in other common U.S. silver coins (half dollars, quarters) and how do their melt values compare to Morgans?

silver dollars contain 0.7734 troy ounces of pure silver, substantially more than circulating pre‑1965 half dollars and quarters, which contain roughly 0.362 and 0.181 troy ounces of silver respective...

Jan 29, 2026
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What are the silver contents and melt values for Roosevelt dimes and Walking Liberty dimes?

Two distinct facts dominate any practical answer: are 90% silver and each contains about 0.0723–0.07234 troy ounces of pure silver (≈2.50 grams), so their melt value is simply that silver weight multi...

Jan 28, 2026

How to test a suspected silver dime at home without damaging it?

A reliable, non‑destructive home check of a suspected combines a few simple physical tests — magnetism, weight and dimensions, and sound or thermal conductivity — together with a close visual inspecti...

Jan 28, 2026

Which Roosevelt dime dates and mint marks are most valuable to collectors beyond silver melt value?

The has a handful of dates, mint marks and error varieties that routinely trade for collector premiums well above silver melt or face value: foremost among these are the silver-era (a key date), rare ...

Dec 14, 2025

How can I test a US dime to determine if it is silver or clad at home?

Testing a U.S. dime at home for silver vs. clad can be fast and cheap: first check the date—every dime dated 1964 or earlier is 90% silver . If the date is later, most circulation dimes are copper-nic...

Jan 7, 2026

How to calculate silver value of dimes using current spot price per ounce?

Calculating the silver melt value of U.S. dimes is a straightforward math problem once the coin type, silver content and current spot price per troy ounce are known: convert the coin’s silver content ...

Jan 29, 2026

What are reputable live silver spot feeds and how do online melt calculators differ in methodology?

Reliable are typically supplied by established bullion dealers and coin-information sites that embed real‑time market feeds on their pages—examples include , , and auction houses like Stack’s Bowers t...

Jan 24, 2026

How do mintmarks and specific Morgan Dollar dates (e.g., 1893‑S) affect collector premiums above silver melt value?

Mintmarks and specific dates create the single biggest gap between silver melt value and collector price: a common, low‑grade Morgan will typically track its silver content, while a scarce mintmark/da...