I just picked up a Cervees Extra Rapid Portrait 3A marked New York Lens Co. From what I gather searching the threads it is another B&L private label. It has a diffusion adjustment in the form of a rotating front element (and I have read that the element should reside on the rear of the lens). Curious if anyone has seen or heard of the lens. I have found it listed in old sales ads listed as f/4.

It looks ldentical to this: