Twenty Antique Regina Music Box Perforated 15.5 Disks C1900. Antique Regina Music Box Perforated 15.5 Inch Disks Signed C1900. Some with rust and bends. Wear consistent with age and use. (15″ x 5″ x 1/16). A collection of antique Regina music box disks, each measuring 15.5 inches in diameter. These perforated disks are designed for use with Regina music boxes, a popular mechanical music device from the late 19th to early 20th century. The disks are signed and back to around 1900. Regina was renowned for its high-quality craftsmanship and rich sound, making these disks a valuable collectible for music box enthusiasts.