2009年澳門牛年生肖紀念銀幣，面值20澳門元，重量31.10克，成色999%，精製鏡面，發行量6000，KM 145
Specifications: (2nd coin in the popular Macau Series III silver set)
- Material: .999 Fine Silver
- Finish: Proof
- Weight: 31.10gm
- Diameter: 40.70mm
- Face Value: 20 Patacas
- Mintage: 6,000
- KM# 145
