You would be surprised by how many new members see the YouTube clickbait sites about finding rare coins in change as think their 1964 AU half of...
Wow! A question about an SMS that isn't a 1964. Sorry, I don't have anything to add to your post. Just a case of too much sarcasm and too...
Copper is a reactive metal. The colors that you see are due to a reaction with something in the environment and is commonly referred to as...
I started in 1970 and still have to force myself to stay focused. I always managed to stay away from currency, but have been thinking more about...
Not trying to be argumentative (Ok, maybe a little;)) but I’ve used lots of analytical data including XRF. It’s important to have a basic...
While XRF is considered a surface analysis, the XRay penetration depth is greater than the approx. 8 micron thick copper plating. This will...
From @Autoturf brass composition is merely copper and zink mixed =========================== Understood. However, my question is how can you...
I'd like to know how they determined it was Brass. Coloration? That's subjective and can be influenced by other environmental conditions. XRF?...
In the 60’s, collecting rolls of recently minted coins was all the rage and many uncirculated rolls were saved. Even today, you can buy unc rolls...
A couple of years ago, I was getting money out of the Credit Union and got some old ones. I asked if they had anymore like that and walked off...
Sorry for the off topic post @Hookman. The finger trick also works great for 1982 copper vs Zinc cents. Balance the coin in question on your...
@furryfrog02 I just realized this was the guy who was disagreeing with Fred W a few months ago. He also posted a question about a nice...
Copper loves to react with stuff in the environment and many reaction products (toning) start as thin layers on the surface. These layers bend...
Are you proposing it was struck through a wet duck? Please skip the thought experiment stuff. The minting process is well documented and...
I think it’s a cast fake. It looks like there are a lot of casting pits including some on the edge. Casting would also explain the slightly...
Collar clash between 9:00 and 11:00. Cool, but no real additional value. Look it up on www.error-ref.com. The "gunk" color has nothing to do...
The following pic is a genuine example. Compare the digits on the date, especially 95 to yours. Also compare the Letters such as the E and R....
It looks like the rim was hit by something sharp and the metal burr was pushed into the field. PMD
I agree with @l.cutler . Assuming it's a different color as shown in your pic, it's probably some type of material like solder. This is...
Some stuff I picked up on ebay in the early 2000s when gold was cheap. [ATTACH]
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