Significance
Has strong association with the event of the official opening of the BTPS depot extensions in 1981.
Physical description
Printed invitation for the "Official Opening of the Depot Extensions to the Ballarat Vintage Tramway", Saturday 19/9/1981 at 2pm. Invitation in the BTPS name. Has space for the person invited to be hand written in.
Located in a Tudor envelope with a "The Milldean Press" card.
Five retained.