Lot of 7 warning vintage european industrial hard plastic signs architecture price is for whole lot

Lot of 7 warning vintage european industrial hard plastic signs architecture. Price is for whole lot of signs. Very rare plastic industrial sign from bulgaria, from 1980's. Those are dimensions: 24 cm, X 24 cm. 9.7 inches X 9.7 inches. Great for decoration or your collection, perfect piece of industrial communist design. Perfect for studio, office or loft. In good vintage condition, some scratches. I have many more signs and posters, please take a look. Worldwide shipping with tracking number! Important. I can offer combine shipping for multiple orders. Please contact me if interested.