The following Zildjians are now up for auction at ebay. They are

1950's or 60's 18' K Kerope Istanbul Made in Turkey! 1515kg

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=260300732349

1950's 22' Avedis 2545kg

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=260300713450

1960's or 50's Zilco Hi-Hats Made in USA. 550 / 540 kg.

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=260300577022

Your bids are Welcome