help identify this gas tank

[CopperheadJK]

Got 2 in a lot of mini parts i bought today box said toyoco gas tank ? Both identical unused one will be for sale after i know what it is

 

[CopperheadJK]

Heres bottom view

 

[honested]

toyoco alpha 350

 

[SimpleTom]

 

[CopperheadJK]

Thanks guys that's it