Documentary images — company attribution uncertain

This emblem is recorded for Norma M, sold in the mid-1970s but not located in Lloyds. It is the emblem of Comalco, a wholly owned Rio Tinto subsidiary renamed Rio Tinto Aluminium on 6 November 2006. Rosanoski uses that link to explain the emblem and supposes that the P&O involvement came later.

Dated company use and shared adoption remain unknown.