Investing in American Silver Eagles (ASE) I started buying ASE when they first came out in 1986. I remember I bought them in green-top tubes with 20 ASE contained in each tube. At first I could get them at...
This is to update the Scratch Test mentioned in my previous guide,Bidding on Anceint Chinese Jades. In that guide, I had suggested the use of a sharp steak knife to perform the Scratch Test on jadeite or...
There are many jade items sold on ebay but sometimes it is difficult to tell if they are made of real jades. Only jadeite and nephrite are usually considered as real jades. Jadeite has a density of 3.32 - 3.33...