... by Maria Thomas ... originator of Zentangles. Maria used goauche for painting and a mix of walnut shell and peat ink for lettering. Surface is goatskin/vellum. Original is about four inches square."
Harley_ms_4425_f012v_detail Detail of a miniature of the Garden of Pleasure, from the Roman de la Rose, Netherlands (Bruges), c. 1490 – c. 1500, Harley MS 4425, f. 12v - See more at: http://britishlibrary.typepad.co.uk/digitisedmanuscripts/2014/01/the-height-of-fashion.html#sthash.7aN6UsSS.dpuf