The Duncan Butterfly XT - HUF edition sold exclusively from hufworldwide.com.
From the HUF website:
"The HUF Duncan Yo-Yo is offered up on Duncan's classic Butterfly XT yo-yo model in signature HUF-green with a transparent swirled finish. Featuring a ball-bearing axle for long spin times and more tricks, this collectible yo-yo features collaborative artwork at both sides and comes in custom packaging.
• HUF × Duncan Butterfly XT yo-yo
• The original. World's #1.
• Signature HUF-green with transparent swirled finish
• Printed artwork at both sides
• Ball-bearing axle for long spin times and more tricks
• Custom HUF × Duncan packaging"
From duncan.com:
"Based on the world famous Butterfly®, the Butterfly XT™ is a classic design with modern technology. It features a ball-bearing axle, offering 10x the spin time of the original Butterfly®. It boasts a take-apart design for easy knot removal and starburst response design for snappy returns to the hand. These features make Butterfly XT™ perfect for a beginner to intermediate player looking for high performance at a great price!"
Released September 19, 2022.
Recipe Diameter: 56.75mm
Width: 36.71mm
Gap width: 2.75mm
Weight: 59.66gm
Bearing: Size C
Response: Starburst
Body: Plastic
Original retail price: $30 US. (The base price of a standard release Duncan Butterfly XT is $6 US. The model in this exhibit had a $24 mark-up!)