Rare C. F. Monroe Gilt-Brass-Mounted Wave Crest Opal Glass Box, fourth quarter 19th century, h. 3-1/2", w. 5-1/2". For a box of similar form, see W. R. Cohen, Wave Crest, The Glass of C. F. Monroe, Collector Books, 1987, p. 49, upper photograph, and p. 50, upper photograph. Rare C. F. Monroe Gilt-Brass-Mounted Wave Crest Opal Glass Box, fourth quarter 19th century, h. 3-1/2", w. 5-1/2". For a box of similar form, see W. R. Cohen, Wave Crest, The Glass of C. F. Monroe, Collector Books, 1987, p. 49, upper photograph, and p. 50, upper photograph.