Could you clarify the source or context?
It seems you're asking about the "safe deposit box number" related to James Joyce — possibly a reference to a known anecdote or a puzzle. numero de la caja de seguridad de james joyce
The most famous literary reference is from , not Joyce. In Nabokov's novel Pale Fire , the poet John Shade has a safe deposit box, and its number is something like « 1894 » (related to his birth year), but that's not Joyce. Could you clarify the source or context