Diamond Valley Gem Club hosted the National Lapidary Competition and show held at St. Mary's Church Hall, Greensborough November 15 - 17, 1974.Bruce Morgan was the first Shire Secretary (1964-1983) of the Shire of Diamond Valley. This collection was compiled by his wife, Mavis Morgan, detailing the events they attended in their official capacity.3 p. cream paper with black text, floor plan.Logo and writing on cover hand drawn and coloured.bruce morgan, mavis morgan, diamond valley gem club, national lapidary competition