Lens has M42 screw mount. . 

Lens has both end caps. 
Lens will be shipped as pictured, so please look at the pictures above. 

Shipping is free within USA and $10 via USPS first class air mail service worldwide. You can choose faster (and more expensive ) shipping if desired during checkout.

Cosmetic Condition:

Glass looks very nice. I don't see any damage. Lens is very clean.  I don't see any fungus or haze. Lens works good.