▁thought ▁to ▁be ▁a ▁f anc iful ▁in vention ▁of ▁the ▁print m akers , ▁until ▁ 2 0 th - century ▁sch ol ars ▁redis cover ed ▁the ▁records ▁of ▁the ▁real ▁object . ▁ ▁Design ▁and ▁icon ography ▁ ▁The ▁hel met - c rown ▁consisted ▁of ▁four ▁crow ns ▁set ▁inside ▁an ▁Aust rian - style ▁hel met , ▁and ▁was ▁to pped ▁by ▁" a ▁pl umed ▁a ig ret te ▁with ▁a ▁cres cent - sh aped ▁mount ". ▁The ▁crown ▁was ▁made ▁of ▁gold , ▁and ▁stud ded ▁with ▁" en orm ous ▁twelve - car at ▁p ear ls , ▁a ▁head ▁band ▁with ▁pointed ▁diam onds , ▁forty - se ven ▁rub ies , ▁twenty - se ven ▁emer ald s , ▁forty - n ine ▁p ear ls , ▁and ▁a ▁large ▁tur qu o ise ". ▁The ▁total ▁value ▁of ▁the ▁piece ▁was ▁estimated ▁at ▁ 1 1 5 , 0 0 0 ▁Ven et ian ▁duc ats . ▁ ▁Later ▁sources ▁greatly ▁infl ated ▁the ▁value ▁of ▁the ▁piece , ▁with ▁some ▁claim ing ▁it ▁was ▁worth ▁up wards ▁of ▁ 5 0 0 , 0 0 0 ▁duc ats . ▁Grand ▁V iz ier ▁I bra him ▁P asha , ▁famous ▁for ▁his ▁taste ▁for ▁fin ery , ▁likely ▁commission ed ▁the ▁crown ▁in ▁ 1 5 3 2 ▁from ▁Ven et ian ▁g olds m ith ▁Luigi ▁Ca or lin i ▁and ▁his ▁partners . ▁ ▁I bra him ▁P