It is in good shape for a 22 year old coin, and well struck. I assume you mean shiny? Shinny is a sort of hockey game. Maybe someone had a...
1792 what? Not many US coins made in 1792, just patterns I believe. Also I think the dies may have all been hand made, meaning there couldn't be...
How do you know they cleaned them? Did they say they cleaned them, or did they come back with their opinion that they had been cleaned?
This is one issue where it can not be ruled fake because it is cast, the originals were cast not struck! There is a lot of mystery about the New...
It is an altered cent. It can be done a couple of ways, by heat or by placing between two pieces of a softer material like leather and pounding...
Perfectly normal circulation strike.
Besides the overall cast look, there is no weakness in the "N" in ONE.
We could guess. Could be a dime that has suffered environmental damage leaving it a copper color, but the dime has Franklin Roosevelt not Kennedy...
All fake, no value. Sorry.
Definitely plated, nickel is often used in plating and it is magnetic.
I don't know where some of those "coin value sites" get there info, but a circulated 1965 is worth 25 cents and that is all.
Red, red brown and brown are just descriptions of how much of the original mint color is left, they are all "normal". It is not unusual to find...
Google full step Jefferson nickel and look at the difference. Yours is an average circulated nickel and not even remotely close.
Not sure what you mean by inverted, that would be upside down. It looks perfectly normal.
It is a 1990 cent minted in Philadelphia. The valuable ones are from proof sets.
From being pressed against another coin, maybe squeezed in a vice. You would be surprised how often they are seen here!
Just environmental damage, nickels look like that after some time in the ground.
Coins can also tone all sorts of colors depending on their environment.
It may not look fake but it is. While one with the same date both sides would be almost impossible, one with two different dates is definitely fake.
They appear to be normal cents worth no more than a cent or two. If you have specific questions it is best to post good pictures of both sides of...
Separate names with a comma.