Hidden History behind the Colorants of Banners
Art Proano is research analyst from the Dutch Cultural Heritage Agency. Proano is a well spoken researcher on fabrics and analysis of dyes. He pointed out that restoration techniques to antique flags are often more harmful than beneficial.
Link to Dutch Cultural Heritage Agency
Art Ness Proano Gaibor's Youtube Site
photo credit: https://nl.linkedin.com/in/artnessproanogaibor