Bidspirit auction | United States - Pre-World War

United States - Pre-World War II Errors - 1938, Presidential issue, 1c green, 1½c bister brown, 3c violet, 10c brown red, 12c bright mauve, 14c blue, 20c blue green, seven values in vertical blocks of six, eight or ten, the total is 34 stamps with double paper variety (2 to 8 in each block), scotch tape on front and red crayon splice line on reverse, full OG, NH, VF and rare assemblage, Est. $500-$600, Scott #804/825 var