Collection of four vintage Soviet industrial metal signs, originating from the USSR era, showcases iconic safety and prohibition symbols. Each sign is crafted from durable metal, ensuring they have survived through the decades. Two of the signs measure 28x28 cm and feature no open flames allowed and a protective helmet required symbol, emphasizing workplace safety. The other two signs, measuring 28x36 cm, display a fire extinguisher and no smoking allowed, further underscoring the strict safety protocols of the time. Their historical significance and stark graphic design make them appealing both as collectibles and as unique decorative pieces for enthusiasts of Soviet-era memorabilia.