The best source of information regarding Vincent that I found on the Web is here. It's in French, but perhaps your browser will allow translation.
Vencent's style was clean and usually poster-like, even for much of his editorial work. It also could be witty. I find his work enjoyable.
Click to enlarge, though the text is still hard to read.
The car is a Peugeot 15 HP.
The car is an Hispano-Suiza.