Here is a nice group of these early CD 143s from Canada - actual postage additional

CD 143 no markings -- larger flat chip at the base, a couple of wire rubs that led to flaking down the skirt -- $25 (not sold)

CD 143 No markings -- wire rubs and several areas of flat flaking down the skirt from the wire groove, small base flake -- $35 (not sold)

CD 143 No markings -- whittling less pronounced on this one -- few nibbles and a base bruise/flat fracture with no glass missing -- $35 (not sold)

CD 143 No markings -- whittling less pronounced on this one -- small base flake and wire groove ping -- $40 (SOLD)

CD 143 No Markings -- smokey shade -- flat base chip, smaller wire groove chip & a tiny fracture above the wire groove (pretty clean overall) -- $50 (SOLD)

CD 143 No Markings -- purple-smoke -- clean flake down the wire groove and a couple tiny pings -- cool piece! $175 (SOLD)

NOTE: I'm selling these insulators on behalf of the Jim Fielding estate so currently all payment must be by check (no PayPal). I'll be handling all the packing and mailing.