Tips & Tools

OD isn’t officer of the day and O-M-M isn’t the yoga chant… Overdate and over mint mark are terms collectors use when talking about die varieties. I thought I’d talk a little bit about

You can’t go back and change the past – but you can think ahead to tomorrow, by building an impressive collection of modern U.S. coins! Right now, modern coins are hot. As someone who’s

Have you heard a coin’s weight being given in “troy ounces” or “avoirdupois ounces” and wondered, “what’s the difference?!” Word History Avoirdupois (pronounced avwa-du-pwah) This word comes from the Old French “aveir de peis,”

Recently Dorothy wrote in to ask why some Roosevelt dimes are worth more than others. That got me thinking about key date, or better date coins and the impact they have on your collection.