a very old coin that s unreadable

[alabama11]

Been working a place I hunted for years, progress is catching up so pipes are going in. Still I know at the end the old coins come. Already got an 1836 half dime and cw sites are present.
Today I got to the place and was sad at the condition after a 7 inch rain. Hunted about an hour an a half.
Got a 20 on the minelab and in trashy places I usually skip a 20. Kind of zinc pennies expected. Well got this heavily incrusted penny. Thought, this could be it. Then found a silver Rosevelt dime within 2 feet of it.
Got the coins home and managed to see enough of crusty and it is a flying eagle 1858 penny. So to make it presentable I need advice on cleaning, but know that's a four letter word. Would olive oil be ok an nonharmful.
Thanks for looking.

 

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[dig deeper now]

also add some vinegar to the mix two vig, to 1 o, oil

 

[Thebigd81]

The one looks like it might have some details. I'd try some hot peroxide and see what comes of it

Good luck!

 

[JeffInMass]

Nice find! I tend to use the boiling peroxide as well- GL!

 

[CoinHunterAZ]

You skip a 20 on the Nox? Not me, the Indians are coming in on that VDI.

 

[Dug]

Not for cleaning but if you are trying to see any details on a worn coin I have found that putting a light coat of oil (3in1 or mineral) and then turning the coin at a slight angle to light will sometimes reveal what you can't see looking straight on.

 

[Rubka888]

Flying Eagles are a tough nut to crack as far as cleaning. The copper nickel content makes the surface very brittle. You can scrape off the detail with your thumb leaving nothing. Ive done it. Whatever you do, go slow and take pictures as you go. I would start with just a Q-tip. Very gentle.. Oh and nice find!!