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 :
Sony PS3 Dualshock 3 Wireless Controller - Sky Games
Wireless Controller PlayStation3 DualShock SixAxis Controller GamePad For PS3 PS3 Systems - Newegg.com
Spotting a Fake PS3 Dualshock Controller
Manette de jeu sans fil Bluetooth pour Sony, manette PS3, prise en charge sixaxis, Play Station 3, console de manette, contrôle PS3, PC | AliExpress
PS3 DUALSHOCK 3 Wireless Controller Now Available | TechPowerUp
DualShock - Wikipedia
De la première PlayStation à la PS5 : toutes les évolutions des manettes de Sony - Numerama
Amazon.com: Dualshock 3 Wireless Controller for Ps3 Charcoal Black : Video Games
Bluetooth Wireless Dual Shock 3 Six Axis Game Controller for Sony PS3 PS3 Accessories - Newegg.com
Sixaxis vs DualShock 3 (DualShock 4 vs DualShock 3) – Technology – Purplepedia
Le verdict - Manette PlayStation 3 vs Xbox 360 : laquelle est la meilleure ? - GAMERGEN.COM
Official Original Playstation 3 Ps3 Dualshock 3 Wireless Controller 2023NEW – ASA College: Florida
Difference Between Dual Shock 3 and Sixaxis | Difference Between
PlayStation 3 SIXAXIS Dissection and Dual Shock Comparison - IGN
Electronique :: DUALSHOCK 3 NOIR — manette PS3
Sony PlayStation 3 PS3 Black SixAxis DualShock 3 CECHZC2M Controller TESTED | eBay