The "Special Price Editions" were released as part of a Japanese Sony Music reissue campaign launched on 1st Sptember 2010, to coincide with the release of the live-action film BECK, which featured the track "Don't Look Back in Anger" as its official ending theme.
As part of this campaign, all seven original Oasis studio albums (from Definitely Maybe through to Dig Out Your Soul) were reissued in Japan for a limited three-month window at a reduced price point. In Japan, CD retail prices are strictly standardized under a unique legal framework known as the Saihan Seido (Resale Price Maintenance System).  Introduced in 1953, this law grants copyright owners (the record labels) the legal authority to dictate fixed retail prices for certain cultural goods, including music CDs. Unlike in the US or UK, where retailers like Amazon, HMV, or supermarkets can discount new albums to compete with each other, Japanese stores are legally forbidden from undercutting the fixed price set by the label. Under Saihan Seido, if a label wants to issue a discount, they cannot just tell a single retailer to have a sale. They must create a completely new production run (reissue) with a newly registered catalogue number and unique packaging identifiers. Following the conclusion of Sony Music Japan's designated three-month window, these "Special Price Editions" were permanently deleted from manufacture, now making them rare and expensive. 

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