Measures approximately 21x19. There are only two interchangeable plates. One with numbers 19 and 20 and one with Tuesday, Wednesday, Thursday and Friday. Newark Insurance Co. ,150 william Street New York NY

Condition: The sign/calendar is in good condition with some tarnish and wear on the bottom, and some wear throughout. Some paint splatter. The plates with the numbers and days are in fair condition. See photos to help determine condition.