unmounted mint Block Larger Than four 1959 55m. on 100m. surcharge, comprising marginal blocks of four of the surcharge double, one inverted and surcharge double varieties, also an upper marginal block of six of the same showing a 4.5mm. shift upwards in the surcharge resulting in the surcharge appearing at the foot of each stamp as well as in the upper margin. Fine unmounted mint. S.G. 100a/b/var.