MINT AND COIL STAMP: SWEDEN, 1975 Se tenant pair of mint stamps from a roll of 100 coil stamps with Type 2 coil leader.

GREAT BRITAIN, 1957 A set of three was issued not in only panes, but also in coil rolls with perforations on all four sides.  For the first time in its history, the post office undertook to service first day covers.  A machine was designed to automatically apply all three stamps simultaneously from rolls on a single cover and then automatically cancel them.  The three test coil stamps on this cover were applied by the apparatus before production use. (10 covers prepared.)

OVERPRINT: NICARAGUA, 1949 Printed in maroon instead of brown olive with Waterlow "SPECIMEN" overprint.  Printer's sample stamp. ROMANIA, 1934 Scout semipostal overprinted two years later with Scout overprint.  Proof of overprint shown. BANGLADESH, 1985 Bangladesh 1st National Boy Scout Jamboree 1978 stamp overprinted in three columns for the 3rd National Boy Scout Jamboree.  Double overprint, one inverted.

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