That helmet is looking good. Did you use metal leaf paint? If not, you might want to add that to get the reflective surface, like this stuff:
https://www.amazon.com/FolkArt-3081...af54e&pd_rd_wg=fYpW8&pd_rd_i=B07R95XSXJ&psc=1
https://www.amazon.com/FolkArt-3081...af54e&pd_rd_wg=fYpW8&pd_rd_i=B07R95XSXJ&psc=1