OK. the seller doesn't know how to take lens glass picture, plus, on the last picture it looks like vertical scratches and on the rear element picture it looks like owner lives in dusty shack and has no rocket blower. And it is the best case scenario for rear element picture of this lens.
The focus tab... I'm really impressed! I had this lens as the only lens on M4-2 for two years, exposed bulk loads of film with this kit, but I didn't managed to get it to the bare metal.
Yet, it is first Scopar I ever seen with this hood for sale so far.
My verdict, the lens and its pictures all together with LH-4 hood are worth of 200 USD.