Thanks Waz, it has a slight curve which when the neck is in the correct place gives the guitar an illusion of a bird with a smallish open beak.
The Copper is a simple metalised look out of a rattle can that (says it) is suitable for wood surfaces.
My local hardware is in a railway based community so doesn't stock much Rustoleum. Mostly Boston brand cans with a smattering of Dulux, CRC, Dupont & FW amongst other common Aussie labels. The big green shed outlet is way over the other side of town so visits there are kept to a minimum...