A gold and diamond brooch, late 19th century, designed as a rectangular gold plaque engraved with a
A gold and diamond brooch, late 19th century, designed as a rectangular gold plaque engraved with a tropical coastal landscape, a hot air balloon set with a pear-shaped and a circular-cut diamond floating in the middle of the sky, the reverse inscribed 'Marco 28 1897', length 4.8cm