SG 142a 1950 6d. block of 6. ‘Overprint double and Re-entry’. SUM.

Gibraltar  1950 King George VI New Constitution 6d. carmine and grey-violet.  North West corner block of six with Sheet Number 258 in margin.  Variety, ‘Overprint double on all stamps and top Frame re-entry (R1/3)’.  KGVI Expertising Certificate No. 1246/05-10 (2010).  Superb unmounted mint condition (hinged in margin only).  OUTSTANDING AND EXCEEDINGLY RARE.