50th birthday ideas for female friend

[HangryBrickShark]

I am useless at imagining ideas for presents.
Friend is animal physio. No idea her size.
She likes swimming but has all the kit.
Has her own flat.
No pets.
£40/£50 spend.
Help!

Perfume.
Luxury body lotion.
Artwork if you know her taste.
Jewellery.

My SIL handmade me a beautiful beaded necklace for my 50th, 15 years on, it’s still my favourite item of jewellery.