. ▁Port ra its ▁and ▁dag guer ro types ▁pur port ing ▁to ▁be ▁of ▁Margaret ▁Taylor ▁sur fac ed ▁occasionally ▁within ▁the ▁collect or ' s ▁market ▁but ▁were ▁not ▁confirmed ▁or ▁authentic ated ▁by ▁histor ians ▁at ▁the ▁White ▁House , ▁Library ▁of ▁Congress ▁or ▁the ▁Smith son ian . ▁ ▁But ▁in ▁ 2 0 1 0 ▁a ▁t int ed ▁sixth ▁plate ▁amb ro type ▁portrait ▁of ▁Taylor ▁sur fac ed . ▁This ▁particular ▁image ▁seems ▁to ▁have ▁been ▁the ▁model ▁for ▁most ▁dep ict ions ▁of ▁her . ▁For ▁many ▁years , ▁the ▁only ▁known ▁image ▁of ▁Taylor ▁was ▁an ▁eng ra ving ▁issued ▁by ▁the ▁U . S . ▁Government ▁in ▁ 1 9 0 2 . ▁It ▁was ▁mistaken ly ▁believed ▁that ▁no ▁photograph s ▁of ▁her ▁had ▁surv ived . ▁Heritage ▁Au ctions ▁offered ▁a ▁nin th ▁plate ▁dag uer re ot ype ▁of ▁the ▁First ▁Lady , ▁a ▁Taylor ▁family ▁he ir lo om , ▁in ▁November ▁ 2 0 1 0 , ▁ident ifying ▁it ▁then ▁as ▁one ▁of ▁only ▁two ▁known ▁photograph s . ▁This ▁is ▁the ▁one ▁loan ed ▁by ▁her ▁daughter , ▁White ▁House ▁Host ess ▁Betty ▁Taylor ▁Bl iss ▁D and ridge , ▁to ▁be ▁used ▁as ▁the ▁model ▁for ▁the ▁eng ra ving . ▁ ▁A ▁brief ▁description ▁of ▁her ▁personal ▁appearance ▁in ▁ 1 8 2 5 , ▁when ▁she ▁was ▁about ▁ 3 7 , ▁describes ▁her ▁as ▁" a ▁fat , ▁mother ly ▁looking ▁woman