What you will receive: a coin of George 3rd from 1821 with a depiction of St. George slaying the dragon.  There is a bit of enamel damage near the end of the date. See pics. 

• Material: coin silver and enamel
• Color: silver and cobalt
• Condition report:  a bit of enamel damage near the date on the blue side.  Pin and things added to the other side. Definitely as found. 
• Measurements: 3 7/8 cm by 1 1/2 cm. 
• Special Notes: Gorgeous!  Seriously excellent.