Insulators as follows -- actual postage additional

CD 143 No markings MLOD & MLOB - cool green shade -- VNM -- $25

CD 143 CANADIAN. PACIFIC. RY. CO {MLOD} -- light green with a nice bubble -- VNM -- $15

CD 143 (slug plate) CANADIAN PACIFIC RY {MLOD} -- blue with a hint of jade -- small rough spot in the wire groove -- $45 (SOLD)