Emblem 9 mm anthracite - Boker

Anthracite emblem with 9 mm diameter to glue in yourself.

The tree connected to the name "Solingen" is the Böker tree brand, which is a chestnut tree that served as the logo for the Böker knife and tool company, located in the "City of Blades," Solingen, Germany. The brand's logo features a green tree on a silver background by a blue river, with the tree originally being a real chestnut tree that stood near the company's factory. 
 
History and Significance
Origin:
The Böker family first registered the trademark with the tree in 1674, a symbol of the quality of their tools and later, their knives. 
 
The Tree:
A large chestnut tree overshadowed the Böker family's small tool factory in Remscheid in the 17th century, giving the company its name and symbol, Böker Baumwerk. 
 
Quality Mark:
The tree emblem signifies the high quality of Böker's products, which has been a sign of quality for years. 
 
Solingen:
While the original factory was in Remscheid, the famous Böker Manufaktur Solingen has been manufacturing its world-renowned knives in Solingen since 1869, solidifying the connection between the Böker tree brand and the city known as the "City of Blades". 
 
Symbolism
The Böker tree is now a globally recognized symbol of high-quality knives and tools. 
 
The brand also goes by other names for international markets: Böker Treebrand in English and Böker Arbolito in Spanish-speaking regions.