You don't see many of these around anymore and they don't make cymbals they way that these were made. Here is a link to the listing on ebay.
Let me know if you have any questions and I will be happy to answer them.

-Adam


http://www.ebay.com/itm/17-7-8-Intermediate-Stamp-Istanbul-K-Zildjian-crash-ride-cymbal-59-66-/160899528315?pt=LH_DefaultDomain_0&hash=item25765bf67b