Thanks to the MadMen Yourself site, this is what I might have looked like teaching on one of RBI’s training courses back in the 1960s…
[](http://www.onemanandhisblog.com/assets_c/2009/07/madmen_widescreen-1371.html)
[Blame: [Alison Battisby](http://www.alisonbattisby.co.uk/), via [Twitter](http://twitter.com/Alisonbattisby/status/2890543249)]