Spotted this on a brief visit to Colac earlier today. Not often you see Dynamo numbers! Its also fairly old, phone number predates the 8-digit number which came in mid-late 90s, and they still matched the font to add the 52 at the start!
As an aside, this is the second time I’ve told my wife we’d have to stop for a Dynamo photo. She doesn’t get the hype.