Danish Insignia--British Connection?

[Red Devil]

I recently picked up a small grouping of insignia. With the SAS patch, shoulder titles, and officers pips I think this vet may have been in the British service at some point. I have read about a Danish contingent serving with British forces just after WWII but I haven't found any info on their insignia. I know a couple of these pieces are of Danish manufacture. Can anyone shed some light on possible age and info of these items? I'd really appreciate your input!

Thank you!

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Here are some Danish-made pieces that came with it

[Frandsen]

there are insignias for the Danish gardehusar regiment, and the patches are for foreign use only. maybe from the Danish Brigade in Germany after the war.

[Frandsen]

sorry for my bad spellings :-D