These attractive compotes are marked with the Sowerby "Peacock" trademark, but even if they were unmarked, one would readily know they are English milk glass, known as "Opal Vitro-Porcelain." The English opaque formula attempted to approximate fine porcelain china as much as possible. The compote bowls are separately formed, then cemented onto the stems with intricate open-work and three splayed feet. The smaller (left) measures 8 inches across the top and 4 1/4 inches high; the larger (right) is 9 1/2 inches across the top and 6 3/4" high. They date from the mid 1870s. Not easy to find in either size.