Clear Makes a Comeback with This Throwback DualShock 3 | Push Square
I bought a sealed dualshock 3 and it's genuine (tested with MGS HD collection) so I figured maybe it can help you as a reference when looking for original ones online :
Sixaxis - Wikipedia
Best Buy: Sony DUALSHOCK 3 Wireless Controller for PlayStation 3 Metallic Gray
Sony DualShock 2 (PS2) Vs. Sony DualShock 3 (PS3) - YouTube
SONY PlayStation 3 Dualshock 3 Wireless Controller (Crimson Red) - (PS – J&L Video Games New York City
Amazon.com: PlayStation 3 Dualshock 3 Wireless Controller (Black) : Video Games
PS3 Information · felis/USB_Host_Shield_2.0 Wiki · GitHub
Cheap USB Wired Gamepad Controller Joystick Dualshock 3 for Playstation 3 Black | Joom
PlayStation 3 DualShock 3 USB Charging Cable – Astrogun™