Insulators as follows - actual postage additional:

CD 121 (dome) D (skirt) C.D.& P. TEL CO -- light aqua with a milk streak -- VNM -- $12 (SOLD)

CD 121 (skirt) C.D & P.T. Co.-- green shade -- VNM -- $12 (SOLD)

CD 121 O.V.G. Co. -- nice blue -- just a tiny base flake -- $15

CD 121 "Diamond" -- steel blue -- VNM -- $15