CANADA 1938-39 Special Delivery 20c scarlet, SGS10Canada 1938 39 Special Delivery 20c scarlet "Coat of Arms", block of 10(5x2) being the lower two rows of the sheet, showing marginal inscription 'No 1 1046 ' at left and guide arrow at lower right, SGS10. A brilliant quality unmounted mint block with full original gum. Scarce and attractive in this format, particularly in such pristine condition. On March 1, 1939, supplies of the 20c denomination special delivery stamps of 1938 were overprinted and