Original enameled warning plate for electrical hazard made of iron in Polish, 21.1 cm. - Sign - Enamel, Iron
Aanduidingsbord Japanese National Railways - Signboard of the Japanese National Railways. - Road/traffic sign - Steel
Original Sign from USSR - Original USSR Enamel Warning Sign – “High Voltage! Danger to Life!” – Industrial Soviet Era - Advertising sign - Metal, Enamel
Juno Bitte (Josetti) – Large double-sided enamel sign – Germany – ca. 1935–1950 - Enamel plate - Enamel, Metal
