Weathered leaf

I visited the Austin Roberts Bird Sanctuary today. While sitting on a bench I noticed a weathered poplar leaf lying on the ground in front of me. I have a long-standing love affair with weathered leaves, so I picked it up and made a sketch of it. One could draw thousands of them, and never will any two ever look exactly alike. Weathered leaves, like (some) people, have character, and drawing a leaf is a bit like drawing a portrait, except that the model doesn't get impatient.

Here's my latest portrait; HB mechanical pencil on printer paper, about 14cm x 20cm: