Here are the pertinent facts, as I see them:
The handset is not consistent with other examples from the period.
The dial signature is not consistent with other examples from the period.
Numerous examples of this exact dial can be found without a signature/sterile.
My belief is that the original dial was replaced with a generic one for the Val. 22GH, and a Longines signature was poorly applied. The dubious handset supports this belief as it indicates that the watch has undergone alterations, which were not in keeping with the original design.
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