HH Princess Sibylla of Saxe-Coburg-Gotha, child and eldest daughter of Charles Edward and Viktoria, Duke and Duchess of Saxe-Coburg-Gotha. Sybilla married Gustaf Adolf of Sweden and is the mother of Carl Gustaf, current King of Sweden
Take an old cotton rag,I prefer white. I pick up bags of old cut up t-shirts at the thrift shop for Then grab a water bottle filled with Vinegar and water solution. Spray directly onto the piece that you have painted but is fully dry.