In very good general condition. 

Canon EF Manual Focus Sigma 600mm 1:8 

A couple of marks on the very edge of the mirror

they are outside the film plane

See 3rd photo

And a few marks on the the rubber 

Nice Clear Clean Glass Smooth Focus

Working Correctly 

No Hood

Comes with original rear 30.5mm UV filter 

Comes with caps 

has an 95mm filter thread

Thanks for looking