I have two 20 round boxes of 30-06 Armor piercing cartridges that were made in the Utah Ordnance Plant with UT 42, 43 headstamps. For sale $120 per box The Utah plant that made these has been closed since just after WW 11. I also have three boxes of Armor Piercing cartridges made at Twin Cities Ordnance Plant for $75 per box with a 42 and 43 headstamp.