CD 377.7: Italy
7 7/8" - 6 5/8" - 5 5/8" X 6 1/2" (200mm - 168mm - 143mm X 165mm)
(front crown) "B in a square"
(rear crown) 320.1T
(other skirts) letters & numbers
Picture courtesy Bob Berry
These are three part multipart insulators where the glass shells are cemented together. Note this is similar to CD 377.2 but has two skirts under the top shell. CD assignment by Dario Dimare January 2015.
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