Advice on Medal "Greenery"

I bought this lovely Shooting Medal, raw.
There is some greenery on the reverse right. Any guidance on possibilities (if any) of getting it out, would be greatly appreciated.
Thank you.
There is some greenery on the reverse right. Any guidance on possibilities (if any) of getting it out, would be greatly appreciated.
Thank you.

0
Comments
It almost looks like it may have been tried before.
If it is not coated try acetone, olive oil bath, or use a product called Blue Ribbon. Dab a soft Q-tip in solution and apply it by letting tip rest on affected area. Gently roll tip to lay the solution over the area. Allow time to penetrate then use dry tip to soak up the disolved residue. The color will transfer from the medal to the Q-tip.
Practice on an old low grade gunky and sticky large cent or wheat back cent to get an idea of how it works.
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Darkside proof/mint sets dated 1960
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<< <i>What is that? >>
Blue Ribbon
The problem is that it's no longer in production due to the 1,1,1 - TCE.
I may still have a few bottles packed away somewhere around here, but be wary of fake bottles.
<< <i>Is the medal coated? I have a piece that had a similar looking green "stain". I tried an acetone soak and ended up removing the "skin" applied at the mint. >>
Same here. I have a gold finished medal made by Tiffany in about 1909. Back when I was a novice, I dipped the medal in acetone to remove some oils from handling and the "gold" started to come off into the acetone. Made the medal real ugly. I am thinking that the gold may have been some kind of powder finish that was applied at or after striking. Gold plating would not have come off like that.
Please be very careful and try the edge first.