Vintage Ceramic Ashtray with matchbox holder

Vintage Ceramic Ashtray with matchbox holder with pretty green crackled glaze and penguins in relief. It is approximately 3"x3"x3" in size. You could use as a small ring holder and maybe put some odds and ends where the matchbox would normally go. No maker found on the piece, but I think maybe the penguins must be a logo for some product from the past.