They do say that it's for civilian or museum use only, so my money is on the one without the armour plating ;) Having said that, if it does have the armour plating...what's the resale value for titanium nowadays?
They also have up to 4 inch thick 12x36 inch plate (only $8,000) and several other dimensions of sheets and rods: http://www.amazonsupply.com/dp/B00MB366WA (Grade 5, higher strength alloy)
Free shipping, no customs, brand new.
I can't imagine how difficult customs would be when importing old military equipment from Russia.
