Leaves and acorns of chestnut oak
oakacorns
composerinthegarden
The intersection of music and the garden as intertwined creative art forms
composerinthegarden 
What a handsome oak this is – I’m not familiar with it.
It is fairly common here, Lynn – Quercus montana is a variant of white oak. When we first moved here, I didn’t realize it was an oak until I saw the acorns.