Here it is WWII surplus. Not all that cheap but
http://www.midwayusa.com/product/445248/surplus-ammunition-45-acp-230-grain-m1911-ball-full-metal-jacket-sealed-can-of-600-12-boxes-of-50-evansville-ordnance-chrysler-production
Already ordered mine. Will be a gift to myself. Yep, not cheap.
Danny

By the look of the photo it's steel cased. Price per round isn't out of line with low end 230 FMJ, and this might actually increase in value once it's all gone due to collectability.