A USB coin microscope puts magnification on the monitor—die cracks, metal blobs, and porosity your pocket loupe misses once fatigue sets in.
It does not replace touch or catalog weight, but it documents deals: a screenshot beats arguing from memory.
What the screen reveals
- Mint errors (doubled die, repunched) at 200×–500×.
- Cracks on rim or field before slabbing.
- Harsh cleaning (microscopic circular hairlines).
Stable stand and light
Use a fixed stand—hands free to rotate with tweezers. Raking light defines relief without blasting the field flat.
Amazon
2 MP+ sensor, capture software, long cable for sorting desk.
- Pair with LED loupe for quick pre-check.
- Affiliate ready.
- Archive shots with date + slug.
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