used  -- 6d. red-brown with watermark inverted, clear to large margins and neatly cancelled with large part "HEADQUARTERS" in oval of bars, fine; scarce. R.P.S. Certificate (1969). S.G. 99, £500. Photo
VAT rate of 5% is payable on hammer price plus bu… Read more
used -- 6d. red-brown with watermark inverted, clear to large margins and neatly cancelled with large part "HEADQUARTERS" in oval of bars, fine; scarce. R.P.S. Certificate (1969). S.G. 99, £500. Photo

Details
used -- 6d. red-brown with watermark inverted, clear to large margins and neatly cancelled with large part "HEADQUARTERS" in oval of bars, fine; scarce. R.P.S. Certificate (1969). S.G. 99, £500. Photo
Special notice
VAT rate of 5% is payable on hammer price plus buyer's premium.