▁shape ▁of ▁mask s ▁and ▁map le ▁scroll s . ▁The ▁shape ▁im it ates ▁the ▁Pan ath ena ic ▁am ph ora , ▁which ▁were ▁manufact ured ▁in ▁this ▁form ▁in ▁the ▁third ▁and ▁second ▁centuries ▁BC ▁in ▁Ath ens . ▁It ▁must ▁have ▁had ▁the ▁appearance ▁of ▁quart z , ▁especially ▁when ▁used ▁during ▁fe asts ▁in ▁the ▁g low ▁of ▁artificial ▁light . ▁ ▁Man ufact ure ▁ ▁Since ▁the ▁technique ▁of ▁glass b low ing ▁had ▁not ▁yet ▁been ▁invent ed , ▁its ▁creation ▁was ▁a ▁complicated ▁process . ▁The ▁v ase ▁was ▁made ▁from ▁two ▁pieces : ▁the ▁widely ▁fl aring ▁bel ly ▁on ▁a ▁high ▁foot , ▁and ▁the ▁shoulder ▁with ▁a ▁long ▁neck ▁and ▁fl aring ▁mouth . ▁These ▁two ▁pieces ▁fit ▁together ▁exactly . ▁The ▁join ▁is ▁covered ▁by ▁a ▁gilt ▁co pper ▁strip ▁decor ated ▁with ▁v ine ▁patterns . ▁Only ▁one ▁side ▁of ▁this ▁strip ▁surv ives , ▁however . ▁The ▁two ▁parts ▁were ▁made ▁in ▁turn . ▁The ▁bel ly , ▁whose ▁walls ▁are ▁very ▁thin , ▁was ▁either ▁cast ▁in ▁a ▁m ould ▁or ▁pressed ▁onto ▁a ▁m ould . ▁The ▁bell - sh aped ▁foot ▁was ▁produced ▁similarly , ▁which ▁was ▁then ▁hot ▁joined ▁to ▁the ▁bel ly ▁piece ▁using ▁a ▁solid ▁stick . ▁The ▁other ▁portion ▁was ▁made ▁in ▁the ▁same ▁way . ▁The ▁shoulder ▁and ▁a ▁portion ▁of ▁the ▁neck ▁were ▁either ▁cast ▁in ▁a ▁m ould ▁or ▁lower ed ▁onto ▁a ▁template ▁while ▁hot . ▁The ▁rest