The Twin Winton Jamaica Rum Barrel

Has anybody ever seen this rum barrel? What was it made for? The inside of the barrel is glazed. Did it originally hold rum? It stands 6 inches high and 7 inches long. The top of the barrel says Jamaica Holiday in the mold along with a 65 on the top lid. It also has Montego Bay, Ochos,Rios, Kingston, Spanish Town, and Port Antonio imprinted in the mold. The back has "Designed for Jamaica by the Twin Wintons" imprinted in the mold. If anybody has any information on this Twin Winton rum barrel please let me know.