A $3,000 sofa and a $3,000 watch have the same purchase price. Under federal interstate moving rules, however, they may be treated very differently. Why? Because when movers talk about an article of extraordinary value, the important number is not simply what the item costs. It is how much the item is worth per pound. For interstate household-goods moves, an item worth more than $100 per pound is considered an article of extraordinary value for liability purposes. Jewelry, ch