 A researcher studying Jakarta's "Si Jagur" found a similar gun in Lisbon's Military Museum and surmised that both had been cast by Manuel Tavares Bocarro, a Portuguese founder in Macau.An oft-told story holds that Pattani's "Phaya Tani" had a twin, the "Seri Negara".Both were captured during Siam's conquest of the sultanate and ordered to be taken to Bangkok.