Vreneli (aka Goldvreneli) is the informal name for a range of legal tender gold coins of the Swiss franc. The coins were issued between 1897 and 1936...

1⁄2 franc 1896 (28 pieces struck): offered for CHF 30,000 (not sold). Goldvreneli: Proben / Raritäten (schweizer-geld.ch) As of April 2020, the gold value...