Andrew Nethercott Antiques has dated this piece to the 1930s.
BANQUE DE L’UNION - PARISIENNE.

1904-1929. Caduceus, toothed wheel, anvil, etc., on ears of wheat.
Bronze. 136.4 grams, 68mm. diameter.
Small rubs to the high reliefs and small indent to the edge.
In original burgundy velvet and silk lined black faux leather box.
Andrew Nethercott Antiques has dated this piece to the 1930s.
Works of art, collectables, scientific and decorative antiques from the 17th - 20th century
You can view the stock and full dealer information on the Andrew Nethercott Antiques Profile Page