used ½a. white with large margins (3-4mm) on three sides, outer ring just touched at foot, cancelled by circular mute h.s.; slight thinning, a presentalbe example. S.G. S1, £800

Details
used ½a. white with large margins (3-4mm) on three sides, outer ring just touched at foot, cancelled by circular mute h.s.; slight thinning, a presentalbe example. S.G. S1, £800