I'm pretty sure those are Left hand drive headlights. The lens fluting matches the Hella US headlamps that Summit Racing sells (fluting should be mirrored if RH drive)
https://www.summitracing.com/parts/hla-002395801
Also the Country code cert on Serpent's and my old lamps are "E4" which is Netherlands.
https://www.hella.co.nz/en/technolog...-combinations/