They might get you for littering.
Lovely coins, however it looks like to me that the steps on all of the coins are interrupted by quite a few lines, this is allowed for full steps?
Not sure I have 5 coins worth photographing, but it would still be cool.
Naval Jelly has phosphoric acid as the active ingredient. You can also find phosphoric acid in some Calcium/Lime/Rust cleaner products and even...
One of my future experiments is to put a copper coin (maybe silver too) in a jar with a drop of carbon disulfide and see what happens.
Most of the Dellers I have seen seem to have more dark crap around the devices.
Necropost
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