Looks like National Westminster Bank didn't exist in 1960. "In <b><u>1968</u></b> National Provincial Bank (est.1833) and Westminster Bank (est.1836), merged as National Westminster Bank." <A HREF="http://www.natwest.com/global_options.asp?id=GLOBAL/ABOUT_US" target="_blank">http://www.natwest.com/global_options.asp?id=GLOBAL/ABOUT_US</A>