Siboni, Roger [organizer]. ROGER SIBONI'S BEACH COIN SYMPOSIUM IV: SEPTEMBER 8, 2007. Edited by Syd Martin. 4to, original brown cloth, gilt; original pictorial card covers bound in. iv, 108 pages; illustrated in color. Fine. One of 30 copies produced. According to the introduction, 28 numismatists from ten states attended this fourth gathering. Ex Syd Martin Library.