Two trompe-couillon glasses Moulded glass. Corolla interiors filled with glass, significantly diminishing the contents. XXᵉ century H. 10 cm and H. 7.5 cm Note: these glasses were used by bar owners to whom customers offered drinks first thing in the morning. By pouring a tiny amount of alcohol, these gave the impression of being full, with this particular bottom, preventing the bar owners, a state of inebriation too early in the morning.