Used for SEC safety messages and a welcome to a tour group by the Ballarat Tramway Preservation Society.Demonstrates a SEC Safety sign and a reuse by the BTPSSheet of plywood painted green, with of our mounting holes & clip on the right hand side. With a "SEC safety" transfer applied to one side. Has rounded corners on the tap. Has had two hinges on the left hand side. On rear in yellow paint faded with brown mark stains "BTPS / WELCOMES / RCTA / TOUR / GROUP" (Rail Coach Touring Association.) Used late seventies?trams, tramways, sec, safety, ballarat, depot, rcta