This is an antique Letterpress Printers Block Galley Type Tray

Manufacturer: Cannot locate a manufacturer's mark, but there may be one under the grime
Material: Brass
Usable area measures 10-1/2 inches wide and 23-3/4 inches long
Tray measures 11 inches wide and 24 inches long

Antique used condition, with scuffs, scratches, grime, tarnish.