This brush has an oil paint consistency and a nice texture. It's free to download! :)

Hope you like it. I'd recommend you add a paper texture on top so that it looks even more realistic. 

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This collection is designed exclusively for use with the Procreate app. It's always advisable to utilize the most recent version. The artwork generated using these brushes is suitable for both personal and commercial purposes; the creator of the brushes relinquishes copyright claims on any resultant work done with these brushes. Redistribution or alteration of the brushes are not permitted. The current settings align with the artist's recommended usage, but you are free to customize them for personal use only.