enamel signs - Enamel sign (2) - Iron, Enamel

2 enamel signs with a bit of rust here and there; see photos.
The 'license to sell' sign is 235 × 335 × 10 mm and was issued to hospitality venues for authorization to serve alcoholic beverages in the mid-20th century.
The 'night security service' sign is 85 × 50 × 5 mm and was used on commercial and private facades to indicate that security is present on the property in question, also mid-20th century.