6c-24c 1918-23 Air Post (C1-C6). 35 original gum blocks, representing all the key collectible positions from each of the panes, C1 with six including top plate block of six (Mint N.H.), top left margin block, left arrow block, centerline block and horizontal guide line block, C2 with five key positions including plate block of six, C3 with 11 representing all the key positions including plate block of 12 and extra bottom and right arrow blocks, C4 with six plate blocks including tops with and without letter "F" and extra bottom, C5 with five plate blocks including tops with and without letter "F", C6 with four plate blocks including top letter "F", blocks show a mix of Mint N.H. and hinged stamps with a number of plate blocks fully Mint N.H.

VERY FINE. A RARE "AROUND-THE-CLOCK" COLLECTION OF POSITION BLOCKS AND PLATE BLOCKS FOR THE 1918 AND 1923 AIR POST ISSUES.

This is an excellent and album-mountable alternative to a complete set of panes, few of which exist. See our website PDF for a complete scan. Scott value approximately $26,000.00

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