American Standard 735176 Reproduction Color:White and both are stamped with

and both are stamped with the same part number

Lid P/N: 6680

Tank P/N: 4061

Lid P/N: 7476

The lids physically look similar

American Standard 735176 Reproduction Color:White and both are stamped withManufacturer: AMERICAN STANDARD Lid P N: 735176 Lid Size: 15. 875" x 7. 75" Tank P N: Tank Size: 15. 25" x 7. 5" Toilet Model: This is a reproduction toilet tank lid. These lids are custom designed with sophisticated 3D modeling software and manufactured in North Carolina. It is available as a beautiful sapele wood tank top simply coated with marine grade spar urethane to provide moisture resistance and also available to match any toilet manufacturers