Is this H60 a 1973 or 1983 model

[Gdiddy58]

Serial # is 3012D

 

[manchester1]

I will say 73.

 

[Studeman68]

Serial # is 3012D

1973.

 

[Gdiddy58]

I will say 73.

Thank you

 

[old shed finds]

73.... Slant shroud. .