Crossword puzzle clue "it's good only for its waste value"

It's good only for its waste value

Having a market value below its book value, as a loan

Only digit whose value is equal to the number of letters in its name

Shakespeare character who says "Good night, ladies; good night, sweet ladies; good night, good night"

Letter appearing only in down answers; its opposite appears only in across answers

Agcy. wtih a "Radioactive Waste" section on its website

Its usefulness goes to waste

Close to its face value, as a bond