| Description | Includes:
- an original contract between Ralph Heaton & Sons and the government of Serbia to supply nickel francs, August-September 1884
- a testimonial from Serbian government to the work of Ralph Heaton & Sons, October 1880
- correspondence between Ralph Heaton & Sons and Oeschger Mesdach regarding the above contract, August – November 1879
- a certificate from the Deputy Master of the Royal Mint, London under whose supervision the coinage was executed, December 1878. |