Acorns& Oak Leaves from Neighbood Walk - More Signs of Fall in NC

Found some acorns and oak leaves on my walk around the block last week.  Acorns can have different sizes and shapes. I do not know one oak tree from another and last week I did post an image with the bur oak branch and acorns.  These acorns are small and have points on the bottom.  They were not very shiny either.  The Native Americans and  Pioneers used these ground as food source like flour.
I tried using the macro mode in Camera +.  The image looked sharper on the LED screen and you can only sharpen so much within PSE plus the image was downsized.  I did like the posterize version where sharpness doesn't matter.  Before I did editing in PSE I did clarify & applied an orange tint in the native iPhone 6 camera app. The image on the R is the posterize filter in PSE 11 - an altered image look.