Can't shed too much more light on this. My copy of the 69 owners manual, publication #1386-R2 dated 3/70, does in fact show a one piece armrest on page 46. However, page 44 of the same manual clearly shows a two piece.

One possibility for the discrepancy could be that my manual is the third edition (R2 in the publication number means Revision #2). The original edition owners manual could have possibly been published as early as mid-late 1968, at least two years before the one piece armrests showed up in the 4/71 revision of the parts book. And without a first revision owners manual to look at and it's publication date, one can only guess what's pictured in it.
Discrepancies in continuity in Alfa manuals is not uncommon and they usually go unnoticed unless one is looking for them and has a different reference or knowledge with which to compare. A perfect example of this is in owners manual #1572 dated 11/70 for the 1971 model year Berlina (Spider & GTV). The interior pic of a 71 GTV on page 36 shows a two piece armrest.
How Alfa!
