I don't like to write this but in this photo I don't see anything that I know of Lardy or Chavet...if not the knight who has a family likeness.
I also have a few photos from the 50s of the Lardy workshop that I can post at the moment, but then again, it's not that style of set at all.
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Lardy 1977
@Ziryab hey nice set. I would suspect this could be a Chavet, the fat-necked bishops, along with the knight head and low knight pedestal, and the king's cross in particular does not look Lardy-esque to me. I have a few similar sets that I suspect the same. It is so hard to make sense of many French Jura sets, especially the 1960s and earlier, so my own confidence is low. But I suspect that many French sets people simply label "Lardy" are actually not.