Vintage French 1950s Lunch Box Workman’s Lunch Box French Enamelware Dark Green and Black Lid

Vintage French enamelware lunchbox
Granite finish on box.
Dark Green Granite Finish Bottom and Black Lid.
Rubber sealant on lid.
Measures approximately 14 cm tall by 14.5 cm wide by 8 cm deep
Or in inches approximately 5 1/2 inches tall by 5 3/4 inches by 3 1/8 inches.
In good condition but has some damage to the lid lip. Chip out of the finish and metal. “See Photos”.