John R Boker, Jr Collection, a perfect bound complete set of German States sales (8 volumes) plus a copy of volume 9 (Prussia) and volume 12 (Hanover) with accompanying introductory booklet and prices realized for each edition; these run from Sale 245 (1985) to Sale 293 (1997); Heinrich Kohler; 18 volumes in all, Fine to Very Fine. Suggested Bid $400-600