John Henry Belter was a furniture maker active in the mid-1800s. He was known for extraordinary Rococo Revival pieces like this bed. Please note that only the pillows are removable and the fabric may vary slightly from the photo.
It is 1/12 scale, which is the most common scale for dollhouses and dollhouse miniatures. It means that if an object is 12 inches in real life, it is sized down to a one inch as a miniature. It measures 4 7/16" W x 3 7/8" H x 6 5/8" D.