Category Archives: rainbow-toned coins

Bowers on collecting: Invitation to a forum!

Next week in this column I plan to discuss “cleaning,” “artificial toning” and “conservation” of coins. I invite readers, including those who grade or certify coins for a living, to send me an e-mail with your thoughts at *protected email*

Continue reading on Coin Update News

Bowers on collecting: Invitation to a forum!

By Q. David Bowers
Next week in this column I plan to discuss “cleaning,” “artificial toning” and “conservation” of coins

Continue reading on Mint News Blog

Bowers on collecting: Invitation to a forum!

By Q. David Bowers
Next week in this column I plan to discuss “cleaning,” “artificial toning” and “conservation” of coins

Continue reading on Mint News Blog