Referencing and quotations of gold and silver coins

List of Series

60
47 Prefectures
57
50 State Quarters
9
7 New Wonders of the World
2
2
Age of Enlightenment
Ancient Water Systems
14
Antique 7 Wonders of the World
1
4
Architectural and historical monuments
8
Architectural Masterpieces of Russia
4
27
Architectural Monuments
146
Architectural Monuments of Russia
2
Architectural Treasures
8
Architecture