What causes this toning pattern?

KensCoins2287 · January 27, 2020 6:05PM

I’ve seen this toning pattern on several bust halves, it reminds me of textile toning seen on Morgan dollars. Anyone know what causes this type of pattern? It almost looks like a fingerprint, could a oily fingerprint on say a freshly dipped coin cause this?

Outhaul · January 27, 2020 6:11PM

Fingerprints.

Unknown · January 27, 2020 6:12PM

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oldUScoins · January 27, 2020 6:13PM

+1 Fingerprints

ms70 · January 27, 2020 6:13PM

Fingerprints

amwldcoin · January 27, 2020 6:15PM

Fingerprints and an old Manilla envelope.

CRH4LIFE · January 27, 2020 6:46PM

I’m all in on finger prints lol Did you give it a dip? Then arrived the fingerprints

KensCoins2287 · January 27, 2020 6:50PM

@CRH4LIFE said:
I’m all in on finger prints lol Did you give it a dip? Then arrived the fingerprints

Haha, no, not my coin. Was just looking at it, and was curious.

jmlanzaf · January 27, 2020 7:19PM

Fingerprints...just to make it unanimous.

TomB · January 27, 2020 10:25PM

I also believe these are finger and/or palm prints and that they were most likely obtained after having the coin spiffed up a bit and then handled.

TommyType · January 27, 2020 10:29PM

I disagree with all of you! It's a thumb print.

ricko · January 28, 2020 7:23AM

Send it to the NFF for scanning and identification... Not likely they would do that...but it would be interesting.... actually, it does not look like there is enough detail to identify it....Cheers, RickO

What causes this toning pattern?

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