LYON’S TEA Genuine Vintage Post Mount Enamel Sign. In good vintage condition as shown in the photos. The item “LYON’S TEA Genuine Vintage Post Mount Enamel Sign” is in sale since Tuesday, May 29, 2018. This item is in the category “Collectables\Advertising\Other”. The seller is “scrapdogs” and is located in Sa. This item can be shipped worldwide.