Looks PL with CAC. The product is a 1879-S Morgan Silver Dollar graded MS 66 by NGC, with a CAC sticker indicating it has been authenticated by the Coin Authenticators of America. This uncirculated silver dollar was minted in San Francisco, has a fineness of 0.9, and bears a business strike type. It is a valuable collectible piece for numismatists interested in US dollars from the late 19th century, especially those with a pedigree from trusted grading services like NGC and CAC.