Sapyx ✭✭✭✭✭

It looks for all the world like something has been stuck to the surface at various places, like drops of glue. Which makes me suspect that that's exactly what you've got: a coin that was glued onto s… (View Post)

"Aluminium bronze" would be defined as any alloy with copper as the #1 element and aluminium as #2. As you note, perhaps other elements are present, perhaps not. For example, Australian coi… (View Post)

The three naturally paramagnetic elements are iron, cobalt and nickel. Most other elements, in their pure form, are diamagnetic - meaning they are slightly repelled by, rather than attracted to, a ma… (View Post)

Not warships. Under the UN Convention of the Law of the Sea, sunken warships (and all artifacts associated with them) remain the property of the nation that launched them, unless that nation formally… (View Post)

Countries that issued 10 cent coins in 1870: - Canada - New Brunswick - Newfoundland And that seems to be it. Other countries that were using "cents" in 1870, such as Ceylon and the Netherl… (View Post)