Is There Any Help For This Steel 1915 5 Pfennig?

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Author	Replies: 8 / Views: 286
Seeker_101 Pillar of the Community United States 1300 Posts	Posted 02/18/2025 11:01 am I received this recently in a coin lot and was wondering if there is a safe way to remove the rust. Report this Post to the Staff

Albert Pillar of the Community United States 1805 Posts	Posted 02/18/2025 12:40 pm Yes quite a few rust removers are available online, hardware stores or even in the garage or kitchen. Report this Post to the Staff
jbuck Moderator United States 157664 Posts	Posted 02/18/2025 1:58 pm Coming from a lot, I have to assume you do not have much invested in it. If this is the case, it may be fun, interesting, and worth the time to experiment using Albert's suggestion above. Coin Collector Since 1978 My Avatar My Old Avatar My 7070 My Eisenhower Dollars CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
Hondo Boguss Bedrock of the Community United States 15745 Posts	Posted 02/18/2025 2:26 pm You can remove the rust but the coin will be pitted afterwards. I would just soak it in acetone and then give it a light treatment with machine oil (3-in-1). Inordinately fascinated by bits of metal with strange markings and figures Report this Post to the Staff
Seeker_101 Pillar of the Community United States 1300 Posts	Posted 02/18/2025 5:44 pm Thanks for the help! And no I don't have anything invested in it. Report this Post to the Staff
jbuck Moderator United States 157664 Posts	Posted 02/19/2025 09:04 am Let us know the results, if you choose to experiment! Coin Collector Since 1978 My Avatar My Old Avatar My 7070 My Eisenhower Dollars CCF Members on eBay CCF eBay Search Engine Report this Post to the Staff
Sap Moderator Australia 16181 Posts	Posted 02/19/2025 7:51 pm If you're going to be experimenting, I would suggest starting with phosphoric acid. Phosphoric acid is less aggressive than other acids as it removes rust but turns the bare metallic iron surface into a thin layer of insoluble iron phosphate, which acts as a protective barrier preventing the acid from damaging the underlying metal too much and helps prevent further rust from reforming. Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis Report this Post to the Staff
Albert Pillar of the Community United States 1805 Posts	Posted 02/19/2025 8:27 pm You can end up having some blemishes gone only to have new ones. One newer blotch replaces the older. But still would like to know results. Report this Post to the Staff
IndianGoldEagle Bedrock of the Community United States 33743 Posts	Posted 02/20/2025 2:48 pm The rust has eaten into the surface, no hope of recovery. Report this Post to the Staff
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