Galls on an oak leaf?

Galls on an oak leaf?

Observation - Galls on an oak leaf? - UK and Ireland. Description: I've found a few of these small rather wrinkled dark brown globules on oak leafs lately. I wondered if they might be old pea galls.

I've found a few of these small rather wrinkled dark brown globules on oak leafs lately. I wondered if they might be old pea galls.