These drawings are done in silverpoint, a medieval drawing medium that predates graphite, using soft metals to make marks on specially prepared papers.

Comet, 2009, metalpoint on prepared paper, 22 x 30 inches

Available from Gildar Gallery, Denver, Colorado

Six Seckels, 2007, silverpoint on prepared paper, 12 x 22 inches (Private Collection)

HERUM, 2006, silverpoint with white casein on prepared paper, 10 x 26 inches