On this day, in 1954, the construction_....

On this day, in 1954, the construction of CERN starts near Geneva.

I'm copy-pasting the blazon from Wikipedia - how would you blazon it?

Per pale: first Or, an eagle with two heads dimidiated per pale Sable crowned, armed, and beaked Gules; second Gules, a key paleways Or

[https://commons.wikimedia.org/wiki/File:Wappen_Genf_matt.svg#/media/File:Wappen_Genf_matt.svg] https://commons.wikimedia.org/wiki/File:Wappen_Genf_matt.svg#/media/File:Wappen_Genf_matt.svg

File:Wappen Genf matt.svg - Wikimedia Commons

[img class="img-fluid" src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Wappen_Genf_matt.svg/407px-Wappen_Genf_matt.svg.png" alt=""]