2021 Queen's Beasts Completer 1KG BU silver coin
- Country: United Kingdom
- Weight1: 1000.00g
- Series: Queen's Beasts
- Mint: The Royal Mint
- Mintage: 300 000
- Purity: 999/1000
- Diameter, mm: 100.00
- Face value: 500
- Currency: British Pound
- Product packaging: Plastic capsule