SUPERB UNMOUNTED MINT with full UNDERPRINT and extremely scarce thus in unbroken multiple. Mint se-tenant block of four MNH/UMM. All stamps with full original gum. EXTREMELY SCARCE AS AN INTACT BLOCK mint. ORIGINAL WW1 EXAMPLES with four line *Published by WINOX Ltd..(etc) ...WWC* imprint on reverse. Condition as seen in scans. Extremely Fine for an item of this type & period. Please look at all the scans to help form your own opinion.