L’Aventure Peugeot Citroën DS has posted this new YouTube video showing their archives and the service they are now offering in identifying and offering authentication certificates for various Citroen models. (The video is in French):

We featured their press release about the new program back on October 2, 2019. You can find that here along with a submission request form: https://citroenvie.com/psa-is-now-offering-identification-services-for-citroens/