Vintage brooch from Andreas Daub

Small golden vintage brooch from the jewelry manufacturer Andreas Daub; Gold double with a small pearl; 1950-1960; the company "Andreas Daub" existed since 1872, since 1900 the company Andreas Daub A * D has been a leader in European jewelry production; great design - typical for this time; stamped “A * D” (Andreas Daub) and “AMERIKANER” (American Doublé) on the reverse; traces according to age and use; measurements: approx. 3 x 3.5 cm / 5,7 g