1890's "WOLFF-AMERICAN HIGH-ART CYCLES" Celluloid Collar / Lapel Stud CYCLING This/these items are from the collection of the late Howard (Howie) S. Cohen of Everything Bicycles. I will be listing around 200 items, mostly Studs, Pins, etc. Most in Excellent condition. Please watch the "Vintage Bicycles" category for new additions.