These two dozen works from the Polaroid Collection included in the upcoming April 4 auction represent a very small selection from the almost 700 items consigned to Swann. Keep in mind that while a few of these items were withdrawn from the Sotheby’s auction due to protest by the artists, Sotheby’s skimmed the cream off the collection for those sales. What’s left, then, are either the few globules of fat left floating on the surface or else the best of the skimmed milk that remains — from the perspective of the secondary market, that is. (I’d consider all of this group of works historically significant and museum-worthy, though some of it primarily as study material.) […]