Large Format Photography Australia

Looking for a used De Vere 504 - condition must be in operational condition, no abuse with negative and lens standards true and square.

I'm located in Melbourne, though happy to speak to those interstate

Have you looked here?
https://www.ebay.com.au/sch/i.html?_from=R40&_trksid=p2047675.m570.l1313&_nkw=De+Vere+504&_sacat=0/