. ▁ ▁Number ing ▁dispute ▁ ▁The ▁address ▁ 2 2 1 B ▁was ▁the ▁subject ▁of ▁a ▁prot ract ed ▁dispute ▁between ▁the ▁museum ▁and ▁the ▁nearby ▁Ab bey ▁National ▁building . ▁Since ▁the ▁ 1 9 3 0 s , ▁the ▁Royal ▁Mail ▁had ▁been ▁deliver ing ▁mail ▁addressed ▁to ▁Sher lock ▁Hol mes ▁to ▁the ▁Ab bey ▁National ▁Bank , ▁and ▁they ▁had ▁employed ▁a ▁special ▁secretary ▁to ▁deal ▁with ▁such ▁correspond ence . ▁The ▁museum ▁went ▁through ▁several ▁appe als ▁for ▁such ▁mail ▁to ▁be ▁delivered ▁to ▁it , ▁on ▁the ▁grounds ▁that ▁it ▁was ▁the ▁most ▁appropriate ▁organisation ▁to ▁respond ▁to ▁the ▁mail , ▁rather ▁than ▁the ▁bank ▁whose ▁primary ▁business ▁was ▁to ▁l end ▁money ▁out ▁on ▁interest . ▁Although ▁these ▁initi atives ▁were ▁all ▁un success ful , ▁the ▁issue ▁was ▁finally ▁resolved ▁in ▁ 2 0 0 2 ▁when ▁the ▁Ab bey ▁National ▁vac ated ▁its ▁headquarters ▁after ▁sevent y ▁years , ▁and ▁the ▁mail ▁is ▁currently ▁delivered ▁to ▁the ▁museum . ▁ ▁Family ▁ob jections ▁ ▁Jean ▁Con an ▁Do yle ▁made ▁clear ▁her ▁lack ▁of ▁enthus ias m ▁for ▁the ▁museum ▁when ▁she ▁was ▁asked ▁about ▁it . ▁She ▁was ▁very ▁much ▁against ▁the ▁idea ▁of ▁suggesting ▁that ▁her ▁father ' s ▁creation ▁was ▁a ▁real ▁person ▁and ▁knew ▁that ▁the ▁presence ▁of ▁the ▁museum ▁would ▁rein force ▁the ▁idea ▁in ▁the ▁minds ▁of ▁many ▁that ▁Hol mes ▁had ▁really ▁existed . ▁This ▁idea ▁was ▁strength ened ▁further ▁by ▁the ▁presence ▁of ▁a