Collecting log: The Japanese original release of NEBRASKA LP: Was it really issued with a magnificent full-color poster? (Part 1 of 2)

Six-folded posters are available almost strictly as a set with the
album. In contrast, the rolled and unfolded posters (see the
image on 09/24/2017) generally circulate alone at auctions
and collectors' markets.

Japan is one of the great sources for vinyl and CD collectibles, not only for unique products of both regular and promotional releases but also for standard-issue variants (e.g., obi decoration and variation, graphic modification with Japanese characters, Japan-only booklets, etc.). However, there have been misunderstandings and insufficient information on some common and rare collectors' items. Let me start by mentioning a few notable instances that have already been featured in past blog posts. 

• The first vinyl edition of LIVE/1975-85 (CBS/SONY 75AP 3300-4) is often said to come out with a gold obi, so as the initial CD version (CBS/SONY 75DP 700-2) did, but the red is the first (see 11/23/2020). 
• It had long been unknown or unnoticed that the extremely rare, promotion-only Human Touch c/w Better Days 3" CD single (SONY XDEP 93043), also subtitled The Boss Is Back!!, was originally accompanied by a tri-fold insert with the twin album's info and lyrics, just because such insert is missing in most copies in circulation (see 05/19/2017).

Another example of my awareness concerns the first LP edition of NEBRASKA (CBS/SONY 25AP 2440), released here on October 9, 1982. The collectible section of the Blinded By The Light book (P. Humphries & C. Hunt, 1985, Plexus, London) writes, 'First 1000 copies issued with a 24" x 36" colour poster,'  which, to my understanding, is a somewhat misleading description. Why? That's because it says as if a poster were included in the first 1000 copies of the album (which I don't think so). Still, such an interpretation seems to be a long-held belief among many, especially foreign collectors. In the following, I explain the reasons for my claim.

Incident (live) alone was worth getting this Japan-only maxi-
single, although sound-wise, I prefer the track on the 12"
U.K. release (CBS 650193 6).

• In Japan, promotional and bonus posters were generally handed to purchasers by retail shop cashiers as rolls rather than folded and inserted into album sleeves to ensure the posters remained crease-free for display (the rolled NEBRASKA poster is shown in the blog post on 09/24/2017).
• This was (and still is) the standard way for Japanese record companies to distribute posters to customers. 
• The only exception I can think of among his Japanese releases is Live Collection (CBS/SONY 20AP 3326), a Japan-exclusive four-track 12" EP released in 1987, which included a tetra-folded color poster inserted into the shrink-wrapped sleeve.

In agreement with these observations, the vertical obi of the first press shortly states (in Japanese), "★Poster giveaway for first press only. (new line) Please ask in-store for details," but never reads something like "Bonus poster included" anywhere on the obi, sleeve, or liner-note insert (see the image below).

The poster-related note can only be found
on the first-pressing obi (encircled with a
yellow line), which is absent from the obi
strips for the second and third pressings.

• In light of the above facts and observations, it is likely that most of the said 1000 posters were printed for a giveaway and distributed in-store to those who pre-ordered or bought the album at retail shops (I was a real-time purchaser in 1982, back in high school).
• I would lke to stress that if 1000 copies of the LP had been indeed issued with the poster enclosed in the sleeve, we must have seen such copies more frequently for auction and second-hand sale (but in fact, extraordinarily much fewer chances to see them even here in Japan).
• On the other hand, unfolded posters alone are occasionally turned up at online auctions or available at the collectors' markets, supporting that they were handed out to album purchasers independently of the LP record.

These could explain why the first pressing (easily identified by the obi) with or containing a poster seldom comes across even though 1000 copies were supposed to be so. Then, what explanation is possible for the six-folded poster, as shown in the top image?

— Continued to Part 2.