Insulators as follows - actual postage additional:

CD 121 (crown) AM.TEL & TEL. Co. // 3 {MLOD} EIN [005] - light aqua -- VNM (tiny potstone bruise above the second E) -- $10

CD 121 U.S.TEL.CO. (dome) "backwards 1" -- blue aqua - VNM - $12

CD 121 GAYNER // NO 160 / 1 -- SDP -- blue aqua -- VNM (one lightly flaked drip and a couple pecks at the sharp base edge) -- $10

CD 121 "large diamond" - light aqua -- VNM -- $8

Or take them all for $30