ScreenUsed is holding their next two-day, quarterly live auction on Saturday, March 19th and Sunday, March 20th. Day 1 will be done online-only, while Day 2 will be happening live at the Silicon Valley Comic Con (running March 18-20). Both will have online bidding as an option. The PDF catalog will include Day 2 items only; the rest will available to view via online bidding partner, iCollector. The sale features key pieces from the Back To The Future franchise, and Michael J. Fox, Christopher Lloyd, and Lea Thompson will be guests at the convention.