Tiffany & Co. Sterling Box

I know it was made between 1907-1947 under the directorship of John C. Moore.

It has a tiny ding on top lid and tiny scratch on right side of lid.  Initials "A. W." on lid.  Detracts from Value?

Dimensions are 5 1/4 "x 3/1/4" x 21/4" .

Sterling Silver.

Bottom Reads:

TIFFANY & Co

21189 Makers 9426

STERLING SILVER

925-1000

m

Could get $250 in scrap, but not interested.  It weighs 11.3 ounces.  What should I clean it with and what is a fair selling price.

Thanks.