d ollar ▁stamp . ▁The ▁other ▁was ▁a ▁five - d ollar ▁issue ▁based ▁on ▁a ▁distinct ly ▁odd ▁experimental ▁three - cent ▁ess ay ▁probably ▁intended ▁for ▁the ▁p ict orial s : ▁a ▁design ▁for ▁a ▁diam ond - sh aped ▁stamp ▁( c orn ers ▁top ▁and ▁bottom ) ▁present ing ▁a ▁dual ▁portrait ▁of ▁Washington ▁and ▁Jackson . ▁ ▁References ▁ ▁External ▁links ▁▁▁▁ 1 8 6 9 ▁P ict orial ▁issue ▁Smith son ian ▁National ▁Post al ▁Museum ▁ ▁High light s ▁of ▁ 1 8 6 9 ▁issue ▁collection ▁- ▁Richard ▁Fra j ola ▁ ▁Identifier ▁of ▁the ▁U . S . ▁P ict orial ▁Iss ues ▁of ▁ 1 8 6 9 ▁- ▁ 1 8 4 7 USA ▁ ▁US PS ▁Official ▁web ▁site ▁( history ▁section ) ▁ ▁The ▁ 1 8 6 9 ▁P ict orial s ▁ ▁Category : Post age ▁st amps ▁of ▁the ▁United ▁States ▁Category : Post al ▁history ▁of ▁the ▁United ▁States <0x0A> </s> ▁The ▁Port land ▁V ase ▁is ▁a ▁Roman ▁came o ▁glass ▁v ase , ▁which ▁is ▁dated ▁to ▁between ▁AD ▁ 1 ▁and ▁AD ▁ 2 5 , ▁though ▁low ▁BC ▁dates ▁have ▁some ▁scholar ly ▁support . ▁It ▁is ▁the ▁best ▁known ▁piece ▁of ▁Roman ▁came o ▁glass ▁and ▁has ▁served ▁as ▁an ▁insp iration ▁to ▁many ▁glass ▁and ▁por cel ain ▁mak ers ▁from ▁about ▁the ▁beginning ▁of ▁the ▁ 1 8 th ▁century ▁on wards . ▁It ▁is ▁first ▁recorded ▁in