These are Sessile Oak leaves all growing from the same small branch.
I don’t think I have seen such a variation in shape, from huge leaf with shallow lobes to smaller, very narrow leaves with hooded lobes, resembling Turkey Oak.
Oaks are so genetically diverse and the Sessile characteristics can merge with Pedunculate, making it difficult to identify hybrids.
It is always recommended not to identify using shade leaves, or the mid-summer Lammas growth, as both these can produce oddities such as in the photos.
I wonder if it was that hard frost we had that affected the growth. The Oak leaves were just emerging at the time.
I’ve heard it said that, though a leaf is recognisable as to its species, every leaf is different. Just as every human is said to be different from all other humans that have ever lived or will ever live.