Celestion G12-80 guitar cabinet speaker

I operated my amp one day and there was no sound coming the speaker. Blown up? I don`t know.
If you want to collect a vintage speaker and maybe you know how to fix it, give me a good offer and it is yours :)

Rola Celestion Ltd. G12-80
Impedance: 8 Ohms
Model: T2874
Manufacturing date: 19 Dec 1979
Made in England