PlayStation 20th Anniversary DualShock 4 Getting Standalone Release in September - GameSpot
PlayStation Turns 20, PS4 20th Anniversary Edition Revealed – PlayStation.Blog
SEALED Sony PS4 PlayStation 4 20th Anniversary Limited Edition Console PS4300667 4948872413961 | eBay
Sony told off for unfair 20th Anniversary PS4 competition | Engadget
Limited edition PS4 launched to celebrate 20 year anniversary | Trusted Reviews
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Sony Japan accidentally erases 20th Anniversary PS4 contest entries | VG247
Amazon.com: DualShock 4 Wireless Controller for PlayStation 4-20th Anniversary Edition : Video Games