| 
              | 
            U.K. 
            Celtic 
            (amethyst) 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            U.S.A. 
            Mojave Purple  
            Turquoise  
            Antique Design 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            U.S.A. 
            (Native art) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Germany 
            (Jade) 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Belgium/U.S.A. 
            (Bear-claw) 
            (Turquoise) 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            U.K./U.S.A. 
            (Turquoise) 
            (Coral stone) 
            (Silver) | 
             | 
              | 
             | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            U.S.A. 
            (Turquoise) 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Dutch 2½ guilder  
            (Silver coin) 
            (1939) 
             | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Dutch antiques 
            Zeeland 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Dutch antiques 
            Zeeland 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Norway 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Norway 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            U.S.A. 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            U.S.A. 
            (Haematite) 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            U.S.A. 
            (Turquoise) 
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Gem 
            (Agate) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Gem 
            (Snowflake-obsidian) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Dutch antiques  
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Dutch antiques  
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Dutch antiques  
            (Silver) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            New-Zealand 
            (Opal) 
            (Nacreous) 
            (Pearl) | 
             | 
              | 
              | 
        
        
            |   | 
              | 
              | 
              | 
              | 
              | 
        
        
             | 
              | 
            Dutch antiques  
            (Silver) 
            (Onyx) | 
             | 
              | 
              |