AN ENGRAVED COPPER BOWL Possibly Egypt or Syria, 15th - 16th century  Of circular shape, on a plain base, with straight circular rim, the body heavily engraved with a variety of Mamluk motifs such as interlocking lobed cartouches filled with thuluth calligraphy against cross-hatched ground, rosettes, Y-shaped roundels, bands of knotwork, arabesques and intertwined vegetal scrolls, the natural patina removed through heavy polishing at a later stage, 28.7cm diam.