CD 134 PATENT / DEC 19 1871 // B -- smooth base -- clear with some fizz -- small tick under the upper wire groove & two open bubbles on the base in the back (see photo) - else VNM -- $50 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.