Searching for large white clematis

[longtompot]

At my previous house I planted a beautiful white flowered clematis. It had huge blooms in the early spring/summer which eventually left huge pompom like seed heads. The only thing was, I planted it one the west side of the garden and it bloomed beautifully, but in next doors garden not ours! I did dig it up when we moved, but I think it got mixed up with some garden waste and so didn't make it to our new home :(
I have found a photo I look of the flower and am hoping someone might be able to identify which name it is so I can buy a new one and actually enjoy the flowers To give some sort of scale, the jug it is sat in is approx 14cm from lip to handle. Thank you!

Closest I can think of is Duchess of Edinburgh.

@longtompot

A bit late but if you’re still searching, this is a specialist clematis nursery so they might know which one it is.

www.taylorsclematis.co.uk

@EeeSheWasThin Thank you, no its not too late. I meant to reply to the previous poster as theirs seems to be similar but not quite the same. I shall take a look at that link later