So provided that bottom line is well struck this is easy to check. This list is different from the short stamp which has the flaws at the top of the Ottoman, AED but not Iand the upper portion of the comma. There is no official track record of the stamps used by Zildjian. The actual alloy itself has not changed hugely over the years, it all stems back to Avedis I in however there have been definite changes in the manufacturing process. Has A logo. This image overlays the letters I had identified.
A gallery of the Avedis Trademark and Ink Logo eras
The stamps of an A.
Buying and Selling Vintage Zildjian Cymbals
Buying and Selling Vintage Zildjian Cymbals A Vintage Zildjian Cymbal is for sale but all you have to go on is an ebay ad or maybe you want to auction one of your own cymbals and you have a bunch of questions. In addition, there is a check which distinguishes the s stamps from the Large Stamp with the three dots based on the vertical alignment of the AN of Zildjian and the NE of Genuine. Research is ongoing.