308 Winchester ?S & B Miltary Surplus Ammo - 20 rd boxes in Tucson, Arizona For Sale

SURPLUS SELLIER & BELLOT 308 / 7.62 AMMO. CASE OF xxxx IN WOODEN AMMO BOX $750.00 (.71 rd) MANUFACTURED BETWEEN xxxx-xxxx. Told Mild CORROSIVE, I don't think so- see photos of steel plate day 1(middle with y) & after 4 days last photo, you judge. BERDAN PRIMED, FULL METAL JACKET, BRASS CASE, PACKED 20 ROUNDS PER BOX, xxxx ROUNDS PER WOODEN CASE. Clean, properly stored ammo by one of the oldest ammo manufactures.
Prefer cash but would consider trade for silver or gold coins, maybe ar-15 flat top 1-9 upper RR or DPMS & cash