SPECIFICATIONS
1. Issuing Country Spain
2. Denomination 1 Ducat
3. Year 1637
4. Issuing Authority Antwerpen Mint
5. Mintage Unknown
6. Composition Silver
7. Fineness 0.944
8. Weight 32.48 Grams(0.9859 oz ASW)
9. Diameter 43.00mm
10. Coin Grading Service NGC
11. Grade MS 63
12. Certification Number 8237550-027