Cleaning Ancient Coins INTRODUCTION The first step in cleaning ancient coins is to acquire some. Ancient coins are those older than medieval times and some of the most plentiful are from the Byzantine Empire....
The Beauty of Cameos.Cameos are beautifully hand-carved scenes or portraits of people or animals in three-dimensional relief. Cameos are made from multi-colored conch shells or banded agate, which is a...
What Are Dirty Diamonds? A dirty diamond is one of two things: a rough diamond, or a diamond that hasn’t been cleaned in a while. Rough diamonds are uncut and unpolished – hence, they are dirty. But that type...