CD 132.4 (crown) PATENT / DEC. 19 1871 -- light green aqua -- very nice for these open bubble on front base edge -- some chipping at the left slot edge and a couple tiny flakes at the sharp base edge. $600 plus actual postage.

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