Vintage German (Enamel) Union-Briketts Advertising Sign

This is an authentic vintage German enamel sign for “Union-Briketts", an industrial advertising piece for the well-known German brand of lignite (brown coal) briquettes. The signs age is somewhat a mystery as signs of this style frequently date back to the 1920s or 1930s however, this sign is likely from the 1950s/1960s. It was sourced directly from the region of Rhineland-Palatinate, Germany. The sign is convex with a significant & solid covering of enamel. It’s a solid, heavyweight piece with no enamel chips but standard age wear consistent with age should be expected. Please review photos carefully. Measurements (approximate): Length: 29 1/2" Height: 5 7/8" Weight: 3 1/2 lbs HISTORY: Union-Briketts is a historic brand that has been a staple in German households for heating since the early 20th century. The brand is often associated with its iconic logo: a single briquette featuring the "Union" name, sometimes accompanied by crossed mining hammers.