1882, 16 trial color imperforated proofs (10 different) of 2k in various color combinations, neatly arranged on a page from the Faberge Collection, including one on horizontally laid paper in black, green and gold (bronze), five on purple paper, four in two instead of three colors, full OG or no gum as produced, VF and very rare, it was lot #1131 of the Corinphila Faberge Sale on December 5, 1999