This is an old, promotional item, a 12 tray, used, has wear as shown on both sides, it is magnetic, looks like tin. Promotion Wine Company was a fully owned subsidiary of. A historic wine and liquor importer based in San Francisco. Today, this legacy connects to the California wine scene through collectible vintage advertising and local tasting rooms. The Promotion Wine and Liquor Company operated out of San Francisco in the early 1900s, producing highly sought-after, turn-of-the-century lithographed advertising trays.