Le Coultre bought Jaeger to become Jaeger Le-Coultre if I'm not wrong.
Some pieces destined for the US market (e.g. the Master Mariner Deep Sea) in the 1960s/70s continued to be marked only as Le Coultre (why I don't recall), but internationally they are marked as Jaeger Le-Coultre. One example is my father's JLC Master Mariner from 1970 which I've seen on ebay-USA as a Le Coultre.
Anyway - I think is off-topic for a rolex vintage forum.
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