BOULDER, Colo. – The 2003-4 “Windows Into Heaven” exhibition held at the Mint Museum of Art in Charlotte, N.C., celebrated a period that was the zenith of Russian art’s long and illustrious history. The stellar exhibition that drew international media attention featured 18th- and 19th-century Russian icons on loan from the Lilly and Francis Robicsek collection. It would be another 10 years before the fabled icons were exhibited again, at the North Carolina Museum of History. Now a select grouping of icons from those two exhibitions has been chosen to headline Artemis Gallery’s March 23 auction, with absentee and Internet live bidding through LiveAuctioneers.