This is a Zildjian Heavy Swish from the 1970s, with the white logo. The size is 22 inches. It's a 70s version of the current Swish Knocker. According to the catalogs of the time, unlike the Swish, this model was only available in 22 inches. It's a wonderful cymbal that can be used for both legato and crashing. The condition shows some clouding, but there are no cracks or chips, and it's in beautiful condition. It might not be ideal for use as a China cymbal.