This is 70 or 80 Eagle Koa wood model. 83xxx S/N have some miner changes for hardware. There are mixed parts for early 83xxx models.

Badass/Quadmatic bridge
Plastic/Brass Rod Cover
Wider stripe
Gold plated Quadmatic though other parts are Chrome...

Original Hard Case with red inner.

Standard neck angle.

Standard circuit. Neck shape is narrow and wider type.

Excellent condition for back panel.

Imperial Tuners.

The Eagle's heal shape is almost same for whole vintage model. Cutaway shape is different.

Original Jack Plate.

DiMarzio PAF,Super Distortion(Dual Sound)

No binding with diamond inlay.