This is an antique padlock manufactured in the early 1900s by the American company P&F Corbin Cabinet Lock Co., featuring the "Mars" logo, part of their "Planet Series." The "Planet Series" also included unique designs related to other planets such as Orion and Jupiter. ■ P&F Corbin Company was founded when Philip Corbin (1824-1910) acquired the predecessor company in 1851 and changed the company name to P&F Corbin Company. The reference image is an illustration of P&F Corbin Company at that time. P&F Corbin Company began focusing on the production of richly decorated metal products from the early 1870s, manufacturing doorknobs and keys like those in the reference image. Following the death of Philip Corbin in 1910, P&F Corbin Company was acquired by another company, and the company name P&F Corbin Company was also discontinued. Based on the above information, the company is described as existing from "P&F Corbin Company from 1851 to 1910." Establishment and History: Corbin was founded in the 19th century and was known for security-related products such as locks and keys. In 1902, Corbin merged with Russwin Lock Company to establish The American Hardware Corporation. Products: Corbin manufactured padlocks, door hardware, key systems, security products, etc. In particular, Corbin products are also valued as collector's items as antique and vintage padlocks. ★ The last three images are reference images of "the P&F Corbin Company's factory and manufactured products at the time, and the founder Philip Corbin (1824-1910)." These are not included in the items for sale. Includes three keys that can be opened and closed. Size: 38 mm wide, 56 mm high, 11 mm thick Weight: 34 grams Management no. 《p1051》