Looking into the artist who designed the later Ingénia models, he is Jean des Gachons, and he designed at least one model outside of the Ingénia series. Found this for sale at ABEBooks,
https://www.abebooks.com/servlet/Boo...m-waAodk8P8HAQ
Locomotives "Mountain Est" "Crampton". Designed in 1976, if I read the small numerals after his signature correctly.
