LEITZ WETZLAR 21mm f/4 SUPER-ANGULON, original Leitz caps & IWKOO hood with case

LEITZ WETZLAR 21mm f/4 SUPER-ANGULON, original Leitz caps & IWKOO hood w/ case. Made in Germany in 1959. There is some internal dust & very minor fog, neither of which affect its photos.

Lens coatings are in beautiful shape. Mechanics are 100% functional and in perfect working order. This listing is an rare, original complete set that includes the following.

LEITZ WETZLAR 21mm f/4 SUPER-ANGULON, M-mount l ens from 1959, SN: 1673325. These are very rare and expensive. R ear lens cap (IROOW). Is in excellent condition and locks on tightly. Black plastic, push on cap that snuggly fits the rear of the front hood when it is attached in reverse.

To the lens for storage. This is not original and is not a Leica case, I believe it is either a Zeiss. Or Contax case, but it works very nice for this lens, its' large diameter hood, rear lens cap, etc.