20mm Italian WWII HET round anti-tank 20x138mm inert Solothurn Lahti shell
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Inert 20mm Italian WWII high-explosive tracer round used in the Solothurn 20mm Tb S-18/1000. This 20x138mm casing is made of steel and is in good condition. Markings can be clearly seen. The Solothurn 20mm Tb S-18/1000 was a Swiss anti-tank rifle used during WWII, it was a variant of the earlier S-18/100.