Hi all! i have been asked on behalf of a friend to sell a BRAND NEW & BOXED ZENZA BRONICA SQ-Ai ZENZANON PS 200mm f/4.5 PRIME LENS. now i dont really know much about this lens & have been asked to sell this on their behalf & i wondered if anybody who uses this kind of equipment could give me an idea of what to sell this for cash wise! any help would be greatly appreciated! thanks!