Here is a pic of both smooth and pipe jaws in every size, 6, 8, 10, 14 and 18. The other picture shows variations. From the bottom:
Master Rench Co, Lynchmead Mfg Corp, Turlock, CA
Masterench Corp, Turlock, CA
Heller Bros Co, Newark, NJ
Heller, (presumably Newcomerstown, OH)
Onehander, Germany...