I've been researching some pirate stuff a came across this website called Briellecostumes and they claim to have historically accurate pirate costumes can you guy judge if there historical or not :
Adult Blackbeard the Pirate Costume
Historically Accurate Halloween Costumes | History - YouTube
Pirate Age Assembled Historical Notes: Costume Notes for the Golden Age of Piracy 1680-1725 eBook : McGann, Kass, Davis, Robert P.: Amazon.co.uk: Books
How historically accurate are the clothes worn by these Pirates of the Caribbean extras? What are the particular anachronisms and inaccuracies of their clothing, if any? : r/HistoricalCostuming
Best Pirate Costumes Ever, Jack Sparrow Pirate Costume
Pirate Lady Anne Bonny; Famous Pirate Costumes
Pirate Clothing in the Golden Age of Piracy - World History Encyclopedia
Pirate Costumes for All Ages [Costume Guide] - HalloweenCostumes.com Blog