Hi all – I'm suddenly fascinated by lathes, coining presses, and other machine tools. I feel like I completely missed out on a major technological...
Hi all – The center disc of €1 and €2 coins is composed of three layers. But the specs are confusing since they just say Ni7 and Ni12 for the core...
Hi all – I always check the Coinstar machine when I go to the supermarket, since the cost/benefit function is similar to wearing seatbelts in...
Hi all – I'm surprised by the amount of "missing" volume / weight in circulation coins compared to a smooth cylinder/coin made of the same density...
Hi all – I've been reading about industrial "parts washers" that use hot water and detergent or degreaser to clean small metal parts. They seem...
Hi all – In 2019 and 2020, there was a lot of coverage about how the upcoming new silver and gold Eagles (2021 Type 2) were going to introduce new...
Hi all – I'm trying to get a visual on what kind of side view grading service slabs give you. I don't own any slabbed coins yet, so I'm looking...
Hi all – I'm looking for the release date, on the Gregorian calendar, of the American Gold Eagles. They were introduced in 1986, but I haven't...
Hi all – I keep seeing claims that Q-Tips, cotton cloths, cloths in general, paper, and maybe loud music scratch coins. I'm confused by these...
Hi all – Any metallurgists about? Or anyone who knows a thing or two about silver tarnish... I'm stumped. Observation 1: American "junk" silver...
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