The 2021-P Australia 50c 1/2 oz Silver Lunar Year of the Ox coin graded MS70 by NGC, is a highly graded bullion piece from the Perth Mint's Lunar Series III. 

Product Identification

• Full Product Name: 2021-P Australia Series III Lunar Year of the Ox 1/2 oz Silver Coin.
• Grade: MS70 (Mint State 70), indicating a perfect coin with no visible flaws under 5x magnification.
• Denomination: 50 cents (AUD).
• Mint Mark: "P" for the Perth Mint

Technical Specifications

According to manufacturers like the Perth Mint and retailers such as APMEX and JM Bullion, the specifications for the 1/2 oz silver bullion version are: 

• Composition: 99.99% pure silver (.9999 fine).
• Weight: 1/2 troy oz (15.55 grams).
• Diameter: 32.6 mm.
• Design: The reverse features an ox and its calf with the Chinese character for "Ox," designed by Ing Ing Jong. The obverse displays the Jody Clark effigy of Queen Elizabeth II.