Presented in an antique 18-carat gold setting composed like an aerial lace,
the 20 Francs Vreneli coin or "Head of Helvetia" on the obverse, represents a female face -
Above this face, we can read the word "Helvetia"
On the reverse, the coin is decorated with the Swiss coat of arms in the form of a cross.
We also see the nominal value, the year of issue (1927) and the numismatic sign B (Bern)
Its diameter is 21 mm Its net weight is 6.45 g and its title is 900°/°°
The total weight of the pendant is 13.25 g, i.e. a net weight of the setting of 6.80 g at the title of 750°/°°
and its external diameter is 35 mm + a bail of 9 mm