London Spot
Gold $4,415.40
Silver $66.83
Platinum $1,796.25
Palladium $1,401.10
Rhodium $9,400.00
Gold/Silver Ratio 66.07

Gear

Best Jeweler's Loupe for Coins

Most counterfeit coins fail on detail before they fail on metal. A 10x glass loupe is the cheapest tool that shows it.

Updated September 5, 2026

Our Picks

PickProductBest for
Best overall 10x jeweler’s loupe Coin buyers and anyone checking secondary-market bullion See on Amazon
Pairs with a loupe Gold acid test kit Scrap, jewellery and bullion you are willing to mark See on Amazon
Pairs with a loupe AWS SC-501 scale (500 g × 0.01 g) Everyone receiving mail-order bullion See on Amazon

How to Choose

Why 10x, and Why Glass

Grading services inspect at 10x for a reason: it magnifies enough to show the strike, rim and surface, while keeping a field of view wide enough to read the whole coin quickly. Under 10x, mushy lettering, a seam on the edge, a wrong reeding count or casting pits stand out immediately, and those are the tells on most fake Eagles, Maples and Krugerrands.

Choose glass triplet lenses (three elements bonded to correct colour fringing and edge blur) over single plastic lenses, which distort exactly where you are trying to read detail. Then learn what genuine looks like: study a coin you bought from a reputable dealer first, and use our counterfeit guide and testing guide for the specific tells by coin type.

The Picks

1. Best overall

10x jeweler’s loupe

A three-piece set with 10x, 20x and 30x glass triplet lenses covers everything a bullion buyer needs. The 10x is the workhorse: it is the magnification grading services use and the one that shows lettering, reeding and surface marks at a comfortable working distance. The 20x and 30x are for comparing die details against reference photos when something looks off.

Pros

  • Three magnifications in one case
  • Glass triplet lenses correct distortion at the edges
  • Inexpensive and pocketable

Cons

  • 30x has a focal distance of about half an inch
  • No built-in light

Best for: Coin buyers and anyone checking secondary-market bullion

See 10x jeweler’s loupe on Amazon

2. Pairs with a loupe

Gold acid test kit

A loupe tells you whether a coin looks right; an acid kit tells you whether the metal is right. Together they cover strike, surface and purity for less than the price of a single silver coin.

Pros

  • Confirms karat and silver content
  • Cheap and widely available

Cons

  • Leaves a mark; not for collectible coins

Best for: Scrap, jewellery and bullion you are willing to mark

See Gold acid test kit on Amazon

3. Pairs with a loupe

AWS SC-501 scale (500 g × 0.01 g)

Weight catches what the eye cannot. A 0.01 g scale with troy mode confirms that a coin that looks right also weighs what the mint says it should.

Pros

  • 0.01 g resolution, troy ounce mode
  • 500 g capacity

Cons

  • Cannot distinguish tungsten by weight alone

Best for: Everyone receiving mail-order bullion

See AWS SC-501 scale (500 g × 0.01 g) on Amazon

Common Questions

Frequently Asked Questions

What magnification loupe do I need for coins?

10x. It is the standard used by grading services and shows strike detail, reeding and surface marks at a comfortable distance. Higher powers are for close comparison of die markers.

What should I look for with a loupe on a bullion coin?

Crisp lettering and devices, consistent reeding count and depth on the edge, no seam around the rim, correct font and date, and surfaces free of casting bubbles or tool marks. Compare against high-resolution photos from the mint.

Is a lighted loupe better?

Lighting helps, but a lit loupe with a plastic lens is worse than an unlit glass triplet. Use a desk lamp or daylight with a good glass loupe instead.

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