Vintage 1950's Duncan Tournament Yo Yo Black Wooden Wood | eBay
Vintage Duncan Yo-Yo | Butterfly (Blue) | Made in USA | 1994 | Sealed Unpunched | eBay
Wooden Super Tournament Vintage Yo-Yo By Duncan #3600St : Amazon.co.uk: Toys & Games
Duncan Imperial Yo-Yo
Duncan Mosquito Yo-Yo
Vintage 1960's Duncan Imperial Yo-Yo - Ruby Lane
Classic Duncan Yo-Yos Asst. | Continuum Games
Old yoyo - Too old? - Yo-Yo Mods and Maintenance - YoYoExpert Forums
National Museum of American History
Vintage Duncan Professional Yo Yo Red Black Gold Diamond Retro Translucent USA | eBay
Vintage Duncan Imperial Yoyo Worlds 1 USA Made Blue Yo-yo - Etsy UK
Vintage Genuine Lumar Beginner's Tin Yo-Yo No.34 | TheTreasureTrench
NEW The Original Genuine Duncan Imperial Butterfly Yo-Yo Blue/Green/Red/Orange - DR Trouble
Amazon.com: Duncan Genuine Imperial Yo-Yo Classic Toy - Orange : Toys & Games
Vintage Duncan Imperial Yo Yo, Original 1970's, Collectible Childhood Memorabilia, Retro Toys and Advertisement, Souvenir Nostalgia - Etsy UK
Lot - Vintage Duncan Imperial Genuine Gold Award Orange Yo - Yo CARDED
Duncan Yo-Yo: Strings Attached - The Strong National Museum of Play
Duncan Vintage 1955 Tournament Replica Yo-Yo Gift Box – Juggling Warehouse
Duncan Butterfly Yo-Yo
