Here are two early Hemingray products -- actual postage additional:

CD 132 (crown) PAT.DEC. 19 1871 // 2 (B on the skirt) (tough straight line embossing!) -- light green -- only issue is a short scratch on the front skirt -- $155

CD 132 (crown) PATENT / DEC 19 1871 // 2 (backwards C on the skirt) -- lots of bubbles and some steam - just a couple tiny base flakes and a dome peck -- $40 (SOLD)