CGA and GGA

[G$]

What was the first year that the CGA was introduced? How about the Propane version?

[Hogsy]

Judging by this catalog, it could of been 1977/78 for the CGA

[Bob BQ]

I've got a double rivet 1979 "A" CGA... but I don't have a sweet pair of pants like the gentleman in the catalog.... 

[G$]

So, why would they exist in single screw form with no date stamp on the vents?

[Bob BQ]

I've got a double rivet 1979 "A" CGA... but I don't have a sweet pair of pants like the gentleman in the catalog.... 

Not the greatest shots... these were the day I got her (pre-clean up).

[Hogsy]

That's a sweet CGA Bob, That's the oldest one I've seen
I think I have the answer to the question of when the GGA was released
Here's a pic out of the 1981 catalog, but his wardrobes lost that 70's style
Are those chickens or quails on the GGA