How can you tell the difference between Japan and China Adam/Balabushkas?

[TwoRailDave]

Other than age, are there any small differences?

 

[Inferno]

Other than age, are there any small differences?

I could be wrong but I was told that the joint can tell the story.

 

[ctyhntr]

When did they move production to China, and which factory?

 

[TwoRailDave]

What's different about the joint? Anybody know how to tell these cues apart?