a lute

The lute is perhaps three feet long, with a long, flat neck comprising of the most of the length. The bottom is a hemisphere, with the lute-strings attached to the flat side, and a hole beneath the strings. Several tuning keys are on the head.

It is a lute.
It weighs a couple of pounds.

You identify a lute.
It weighs two pounds and three ounces, and it is worth about seventeen celeb.
Its keywords are lute and instrument.