If she remembered the chain as well as she said she did, there's no reason why she couldn't have told a jeweler how to make one, and anybody can buy a knife and have any initials they want engraved on it.
Horrelako katearik ba ote zuen jakitea badaukagu, beharbada oraindik ere jakiteko garaiz gabiltza. Esan bezain ondo gogoratzen bazuen katea, bazuen bitxigile bati horrelako bat eginaraztea, eta edonork eros lezake labana bat eta nahi diren inizialak grabatu bertan.