The Apple logo is historic, iconic, and now — in its physical form — up for auction. A pair of signs that originally graced the walls of the Cupertino companys headquarters are going up for sale in early June and are expected to fetch between $10,000 and $15,000. Both depict the beloved rainbow Apple mark that was in use from 1977 until the late 90s. The subtle wear and tear on the signs and their history of being proudly displayed at Apples HQ — craquelure and provenance, in the auctioneers terms — will surely help push their price up.