Vintage metal advertising sign of the German lemonade Sinalco. This plate was manufactured in 1960 by Plastemal and has a diameter of 60 cm. 
 
Sinalco is a soft drink brand founded in 1902. It is the oldest European brand still being sold.
The name Sinalco stands for sine alcohol, which is Latin for "without alcohol". This name was chosen after a competition. The red circle logo was registered in 1937.