I just received this great BORMAVI B100 Insulator from Italia. The one on the left is the piece that just arrived. BORMAVI was the name used during the transition period from MIVA to BORMA. The 2 insulators that I have are dated 1972 and I have only seen 1972 and 1973 dates w/ the BORMAVI marking. This makes this a unique and rare marking for this type of insulator. The shield contains a B & M inside.