Mystery driver

[Qtronic]

Hey all, have a mystery driver here that’s kicking around at a local 2nd hand store. Anyone recognize it? Looks tweeter like but I could imagine it being a mid.
Thanks!

 

[A400]

With such good images you can do a google image search which indicates LPG-51AT mid-dome.

 

[Qtronic]

With such good images you can do a google image search which indicates LPG-51AT mid-dome.

Proof that you’re far more clever than me, thanks!