Sapyx ✭✭✭✭✭

The definition of "type" depends on how broad or narrow a collector you are, or plan to be. Consider the "archetypical" type set of US coins: the Dansco 7070. The heading on each … (View Post)

Size? I assume it's actually smaller than a standard threepence? My first guess would be a Lauer play money coin (I think I can read "LAU..." to the right of the queen's crown, which is pus… (View Post)

Just a reminder re: terminology: An "Overstrike" is where an already-struck coin is used as the planchet for a second coin. This has happened officially and is quite normal in some non-US s… (View Post)

Sulfur is the primary causal agent of silver tarnish, or toning. Coffee and coffee grounds do normally contain some sulfur - up to 1% sulfur, depending on the variety of coffee used. So in theory, be… (View Post)

You don't need oxygen to tarnish silver; silver oxide does not readily form under normal circumstances. What you do need is some source of sulfur, as silver sulfide forms readily. Silver is actually … (View Post)