Original German WWII PAK 36 Armor Piercing 3.7cm Shell - 37mm Anti-Tank Category_MG 42 Bolt & Barrel Assembly Why do these cost more

Why do these cost more than the bayonets they fit

The set consists of two WWII Grenades by BREDA

but further information (other than photographic evidence) on that is lacking at this time

Solid ABS Plastic Construction

Despite advances in recoilless rifle technology introduced by the device

Original German WWII PAK 36 Armor Piercing 3.7cm Shell - 37mm Anti-Tank Category_MG 42 Bolt & Barrel Assembly Why do these cost moreOriginal Item: Only One Available. This is a very good condition, totally inert BATF compliant, PAK 36 37mm Armor Piercing round in its original shell casing. Offered in very good condition with German wartime markings on the base of the shell, which read: 125P G63313. 7cm PaK The shell measures approximately 13 inches long, and the round is not currently removable from the casing. Ready to display! Not Available For Export The Pak 36