This is a vintage silver-plated bread and butter plate in the 1847 Rogers Bros "Esperanto" pattern made by International Silver.
International Silver made this pattern from 1969-73. It features a band of scrolls around the rim.
It measures 6.25" in diameter and was made in the U.S.A.
This plate is in good pre-owned condition with some scratches and tarnish. The knife that is shown on the box is not included.