Specimen Block Larger Than four Waterlow sample sheets of nine overprinted "WATERLOW & SONS LTD./SPECIMEN" with punch holes (one with double punch hole); the set of higher values with 4c.+ 5c.+ 10c. in vermilion, brown and bluish green, 20c.+ 30c.+ 50c. in claret, pale orange and deep purple plus $1 + $2 + $5 in deep claret and yellow, bluish green and yellow plus red and yellow, this last sheet with variety imperforate between horizontal strip of three, exceeding rare and desirable, probably unique. (9 sheets). Photo