| Description | Includes:
- Letter from FTO 'Hemus' to The Birmingham Mint Ltd. requesting information on Bulgarian proof coinage produced in 1923 by the Mint, with a reply from Colin Perry detailing the surviving information on the tender with photocopies from a quotation book. 16 January 1981, reply dated 5 February 1981.
- Letter from FTO 'Hemus' acknowledgement receipt of Mr. Perry's reply and thanking him for the information provided, 24 February 1981. |