Wanted: S&W 500 magnum brass.

Looking for new/used S&W 500 magnum brass. I’m willing to pay or I can trade. I items that I have for trade are 22lr ammo, 9mm factory and reloads as well as processed 9mm  brass with new primers, 45acp reloads, 45 acp lead hardcast projectiles and processed in primed brass, and some 500 magnum lead hard cast 400g & 710g projectiles