I do not own these.

 In 2014, the G.I. Joe Convention took take place on April 10-13 in Dallas, Texas, USA for the 50th anniversary of G.I. jOE!  

GI Joe is all geared up and ready to celebrate his 50th Anniversary! The 12-inch convention box set features Joseph Colton in CODENAME: G.I. JOE. This commemorative set includes two 12-inch action figures that feature both vintage military and Adventure Team theme uniforms and a bonus 3 and 3/4-inch action figure with display stand. 

"I always thought he was... BIGGER!" 

The 3 and 3/4-inch Joseph Colton action figure is based on his first Marvel Comics appearance in G.I. Joe: A Real American Hero Issue #86. 

He is a special edition included with our two 12-inch action figures in the box set ... CODENAME: G.I. JOE. 

There was also a 2014 convention exclusive carded souvenir to celebrate G.I. Joe's 50th Anniversary. 

Other than these exclusives at the convention, HASBRO did not have anything else to sell in the stores to celebrate GI jOE's 50th birthday.