This group of three CD 143's are Embossed: CANADIAN PACIFIC RY CO these being EIN [010]. I had identified these with Mark Lauckner's Numbering system from his book: Canadian Railway Communication Insulators 1880-1920. After close examination of my three pieces, I am still not certain of their 'Lauckner Number'. I believe the left piece is a 2A-1B. The center piece is poorly embossed, so I will not guess its number. The right piece is a 2A-1A. These insulators all have MLOD and RB (rounded base).