This is a Northwood Grape & Cable amethyst carnival glass berry bowl.

It was made by the Northwood Glass Company around 1910.

The bowl features an iridescent finish, a characteristic of carnival glass, with a prominent grape and cable pattern.

The primary color of the glass is amethyst (purple), which displays various rainbow colors when viewed from different angles.

The edge of the bowl has a ruffled or scalloped rim.