Think this must be it:
"
Alphonse XIII d'Espagne signed the inauguration of a new line aérienne between Séville, Madrid and Lisbon, in the years 1920." (Photo by Keystone-France/Gamma-Rapho via Getty Images)
https://www.gettyimages.com.br/detai...?adppopup=true
(You could have popped round and knocked on the door John!)