Vintage Enamel Oxo Shop Sign 6ft X 2ft In A Rusty State Especially On Edges. This old OXO sign has been in my family for over 70 years grandad had a grocers way back. Look at the shop and a shiny oxo sign. This item is in the category “Collectables\Advertising Collectables\Advertising Signs”. The seller is “jamie5823″ and is located in this country: GB. This item can be shipped to United Kingdom.