Large C. F. Monroe Gilt-Brass-Mounted Wave Crest Opal Glass Box, fourth quarter 19th century, the base with a Wave Crest acid stamp, h. 4", w. 7". For a similar smaller box, see W. R. Cohen, Wave Crest, The Glass of C. F. Monroe, Collector Books, 1987, p. 87, upper photograph, center and right. Large C. F. Monroe Gilt-Brass-Mounted Wave Crest Opal Glass Box, fourth quarter 19th century, the base with a Wave Crest acid stamp, h. 4", w. 7". For a similar smaller box, see W. R. Cohen, Wave Crest, The Glass of C. F. Monroe, Collector Books, 1987, p. 87, upper photograph, center and right.