|Chance porcelain signals|
| A. B. Chance bought up PP Inc. in 1956. Began marking insulators "CHANCE" in the first part of 1959 and continued this marking to present day.
Reported styles: U-291, U-292A, U-296, U-300
Reported colors: chocolate brown, white, cobalt, yellow, brown, sky tone
|All signals on this page are U-292As. The first 4 are ink stamped (black ink or cream/white ink) on dome, the last 3 are ink stamped on the skirt. All have glazed pinholes. All have deep inner petticoat-to-thread (distance from bottom of petticoat to the first thread). The pinhole tops are only slightly concave and all but one have a small pontil like protrusion in the center of pinhole top.|