It's part of the Platinum Collection by Town Square Miniatures. 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.
About Town Square Miniatures
Town Square Miniatures are finely crafted, historically accurate miniatures that collectors love. They are highly detailed, incredibly realistic, and made to last--plus, many pieces are modeled after historically significant pieces of antique furniture. It's for these reasons that they often become cherished family heirlooms.