How to Distinguish Gen II from Gen III - Yamaha 9335 CHS?

[bgosvig]

Does anyone know how to visually distinguish Yamaha 9335 CHS Gen II from Gen III models?

I'm looking to purchase a Yamaha 9335 Chicago on eBay - most of which seem to be from Japan (which is fine by me).

However, I'm finding that Japanese sellers usually won't divulge serial numbers, and they're often blurred-out in the photos.

As a result I'm having difficulty visually distinguishing between Gen II's and Gen III's. Both seem to have the raised pinky hook, the quarter-turn 3rd slide stopper, and double lines on the mouthpiece receiver.

Is there a visual way to make this distinction without the serial number?

Thanks for any insights!

Regards, - Ben

PS: Is there also a way to make this distinction on 9335 NYS models? Thanks!
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Ben Gosvig

Bach 190-1B Commercial
Bach 190-43 Centennial Edition
Yamaha Xeno II - YTR-8335

[a.kemp]

Gen 2 and Gen 3 Chicagos have different tuning slide shapes

[loudog]

https://www.trumpetherald.com/forum/viewtopic.php?p=1621053
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Dr. Louie Eckhardt, trumpeter
http://www.LouieEckhardt.com
Associate Professor of Music
Hastings College

[bgosvig]

[bgosvig]