Insulators as follows - actual postage additional:

CD 292 "PATENTED JUNE 17. 1890" -- great green with some cool snow -- flat base chip under "E. 17" and a some flaking on the glass that squeezed out of the mold around the base (typical for these) -- $125

CD 292 "PATENTED JUNE 17. 1890" -- nice blue shade -- chip at the ear top and a small flake above the groove - $30 (SOLD)