Photographed at Thaksin Maharat NP, w Thailand at an elevation of 1,000 metres, forest edge. Two images of same individual.

I think this can only be Halpe flava, but there are a few slight mismatches with the underwing pattern compared with other images on the web. Also H. hauxwelli crossed my mine but that species should have additional spots in the upperwing.
Could this ID be confirmed please.
Many thanks.

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