root:~# tdbtool gencache.tdb tdb> keys [...] key 14 bytes: NBT/BEFS01#20 [...] tdb> show NBT/BEFS01#20 fetch failed tdb> show NBT/BEFS01#20\0 [...data...]
Or, in other words: string delimiters are part of the string, as far as samba is concerned (oh, puh'lease!)