LETTERS DATED 11TH MAY 1962, 24TH MAY 1962, 20TH JUNE 1962 AND 25TH JUNE 1962.

A MEDAL ASSOCIATED WITH THE MECHANICAL ENGINEERING TECHNICIANS EXAMINATIONS.

NOT DEFINED

• 25 Mai 1965 : Cofrestrwyd
• 10 Mai 2016 : Tynnwyd