Modernist architectural project watercolor

Very interesting architectural project.
watercolor on paper.
Large size (Frame is 94cm x 69cm = 37" x 27")
Excellent condition.
Nice modernist building in the manner of Rob Mallet Stevens.
The building is marked "Lyonnais".
Could be a project for an official building.
Circa 1930. Excellent condition.
REFERENCE: archi0913