This is a Gemeinhardt 3SHB open hole flute with a B foot.  The head is solid silver. The pads look serviceable.

This beautifully crafted flute is a WM. S. Haynes Amadeus model AF500
Made with the finest silver-plated materials
The flute comes with a high-quality carrying case for easy transportation and storage

Gemeinhardt Flute Model M2 Silver Plated w/Case

Looks to be in good condition, might need serviced