Saint louis 2 Port/white wine glasses Cut crystal

2 old port/white wine glasses, saint louis cut crystal wonderful very clear sound - excellent condition. Height 13.5 cm - diameter at the rim 6 cm - foot 5.7 cm. Unsigned because before 1936 at its beginnings, the saint-louis factory did not have a signature. The arrival of competitors like lalique, baccarat, daum on the market forced saint-louis to obtain a signature. Before having its signature, the manufacture stuck paper labels under the glasses.