There's been one that has sold on eBay recently, and it was listed at $750 but sold via Best Offer, so it is most likely somewhere close to that price. I messaged the seller asking for the final sale price - I'll update y'all when I hear back.
I'm gonna add the prices I think you should expect, based on eBay sales and personal reasoning.
Shining Gyarados 65/64 (1st edition; PSA 10) $200
Shining Magikarp 66/64 (1st edition; PSA 10) $175
Shining Celebi 106/105 (1st edition; PSA 10) $250
Shining Charizard 107/105 (1st edition; PSA 10) $500-$700
Shining Kabutops 108/105 (1st edition; PSA 10) $200
Shining Mewtwo 109/105 (1st edition; PSA 10) $200-$250
Shining Noctowl 110/105 (1st edition; PSA 10) $200
Shining Raichu 111/105 (1st edition; PSA 10) $225
Shining Steelix 112/105 (1st edition; PSA 10) $125-$150
Shining Tyranitar 113/105 (1st edition; PSA 10) $250-$300
Those are just quick, rough guesstimates.
I'm gonna add the prices I think you should expect, based on eBay sales and personal reasoning.
Shining Gyarados 65/64 (1st edition; PSA 10) $200
Shining Magikarp 66/64 (1st edition; PSA 10) $175
Shining Celebi 106/105 (1st edition; PSA 10) $250
Shining Charizard 107/105 (1st edition; PSA 10) $500-$700
Shining Kabutops 108/105 (1st edition; PSA 10) $200
Shining Mewtwo 109/105 (1st edition; PSA 10) $200-$250
Shining Noctowl 110/105 (1st edition; PSA 10) $200
Shining Raichu 111/105 (1st edition; PSA 10) $225
Shining Steelix 112/105 (1st edition; PSA 10) $125-$150
Shining Tyranitar 113/105 (1st edition; PSA 10) $250-$300
Those are just quick, rough guesstimates.