I have recently aquired 4 new old Zildjians. #1 is a 21" ride #2 is a 16" Crash, # 3 is a 15" bottom hat and #4 is a 15" top hat.
#1 (21") weighs 2004 grams, #2 (16")weighs 1140 grams. #3 (15") weighs 1416 grams, #4 (15") weighs 942 Grams. The pics are in order. 1-4 The 2 15" hats have different logos