American Philatelic Association, American Philatelic Society · Altoona, Pa. : [American Philatelic Association] · leaf 204
urnished the well known Type II "Cracked Plate" copies, and some very wonderful so-called "shifts." Type II can occur in pairs in com- bination with Types IB, III, IIIA, and IV,. but not in a pair with Type lA or its Sub-Type IC. (Note — If 17R1e ever produced any Type II stamps, then Type II can… … FIG. 20. FIG. 19.
