Breen, Walter. NEW JERSEY COPPERS. Photocopy transcription made by Ray Williams of this unpublished 1955 manuscript. 8.5 by 11 inch paper, printed on one side. (6), 88 pages. Fine. [with] THIRD NEW JERSEY COPPER SYMPOSIUM. Photocopied material from this colonial gathering, held in conjunction with the first C4 show, October 20, 1995. 35 pages, plus a few sheets in pockets. All materials held in a three-ring binder. Fine. Breen’s manuscript on the New Jersey coppers, completed in 1955, may be the most important of his works never to have been formally published. Ray Williams typed a transcription of a poor-quality photocopy of the original, making it much more widely available. The material from the New Jersey Copper Symposium includes condition census notes.