Australia #399a (SG#386ca) 5c Dark Blue Queen Elizabeth II 1966-1973 Decimal Definitive Issue, a Fine NH Booklet Pane of 5 + Label


A fine NH booklet pane of 5 plus label of the 5c dark blue Queen Elizabeth II stamp from the 1966-1973 decimal definitive issue, printed on Helecon coated paper. 

    The Australian equivalent of tagging is called Helecon, which is a chemical in the zinc sulphide group that fluoresces orange-red under long-wave UV light. The very first stamp to be issued with Helecon coating applied to the paper was the 11d Rabbit Bandicoot from the 1958-1964 definitive issue. Later, the 5d orange-red Queen Elizabeth II stamp from the 1963-1966 issue was issued with the Helecon incorporated into the ink. By the end of 1965 all stamps issued had Helecon applied to the paper. On this issue the fluorescence of the basic paper varies widely from dead to medium fluorescent, and the strength of the Helecon coating varies also. On this pane the paper is dull and the coating is strong, appearing light orange-red under UV. 

    Gibbons lists the pane at 8 pounds (approx. $16) for VFNH. The pane offered here grades 70 as follows:

    Centering/Margins 40/70 

    Paper freshness: 5/5

    Colour: 5/5

    Impression: 5/5

    Absence of visible paper flaws: 5/5

    Pane edges: 8/10


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