The Oculus Timeline! (Sorry if poor quality) : r/oculus
Oculus Rift - Wikipedia
DK1 vs CV1 size - Palmer for scale (rough comparison) : r/oculus
A DK1 Oculus Rift headset being worn at the FLUX Innovation Lounge at Engage in London, as social media giant Facebook announced yesterday that it had an agreement in place to buy
Meta Oculus Rift DK1 Development Kit 1 for sale online | eBay