5 oz silver Proof Petro Yuan. 999 Pure / Fine / Solid Silver! Micro Mintage of only 777! COA, comes with a certificate of authenticity! BOX, Includes a collector display Box! Encapsulated with a protective plastic capsule! Safe for long-term storage! We provide the highest quality silver products! Protect and preserve your wealth with silver! Check out / follow our store, for our latest available silver products!