Lovely deep fresh colour bordering on the rare Deep Blue- "Myrtle" green shade N14(15). ALL STAMPS are UNMOUNTED MINT. Odd tone spots but overall Fine for an item of this type & period. Vertical bend (Not visible on face) seen from reverse.Three stamps are very fine UMM MNH & this block is priced on that basis with all faults considered (WAF). Please look at all the scans to help form your own opinion. The item "GB KGV Stamps SG. 356 ½d Blue-green CONTROL O19 Block6 UMM MNH c£300- SS4334" is in sale since Friday, September 11, 2020. This item is in the category "Stamps\Great Britain\George V". The seller is "samwells-covers" and is located in GB. This item can be shipped worldwide.