Rare antique WW1MK IV brass or metal tank inkwell circa 1920s'.Probably made in England regarding tank model from world war one period.The tank inclined 1 side on climbing slope.Excellent condition for its ages.Tarnish and wears due to used in the long time.Missing glass liner and gun broken.Please see the picture for every detail.The measurement is approx 6.5" length,5" width and 3" height.