I somehow doubt that as most of the stitching on the repair work is of a very poor quality, to replace an epaulette without leaving a trail of stitch holes on the top stitch around the sleeve head requires an altogether higher level of ability tha is shown in every other aspect of the renovation . I also doubt such a close colour match could be achieved on a used jacket with a different hide
Yes, but are you 100% certain it has not been replaced at some stage in its life? The epaulets could have been replaced by someone else, not the same person who replaced the lining.