Looking for base set in other languages. Have chinese

I have the following cards available for trade:

01 - Alakazam. PSA 8 unlimited
02 -
03 - Chansey PSA 8 unlimited, PSA 9 1st edition
04-
05 - Clefairy PSA 8 1st edition x2
06 - Gyarados PSA 9 unlimited x 3, ungraded, 1st edition ungraded
07 - Hitmonchan PSA 9 unlimited, PSA 8.5 unlimited, ungraded, 1st edition ungraded
08 - Machamp PSA 8, ungraded
09 - Magneton PSA 8 1st edition
10 - Mewtwo PSA 9 unlimited x3, 1st edition ungraded
11 - Nidoking PSA 8 unlimited
12 - Ninetales PSA 9 unlimited x4, ungraded unlimited
13 - Poliwrath PSA 9 1st edition
14 - Raichu PSA 8 1st edition
15 - Venusaur PSA 9 1st editon, ungraded 1st edition

Zapdos - PSA 8 1st edition

I have a 1st Edition German Gyarados - I’d be willing to trade it for the 1st Edition Raichu

I was hoping more of a mass trade. Is the gyarados PSA graded?