CD 143 vertical ridges above and below wire groove -- VNM (tiny dome peck and couple tiny flakes at the sharp inside base edge. -- $85 plus actual postage. kind of a tough green-aqua shade.

NOTE: I'm selling these insulators on behalf of the Jim Fielding estate -- PayPal (no fee friends and family) or checks are both now accepted - I'll provide instructions. I'll also be handling all the packing and mailing.