Frame ID Request - HD Design Drawing 47004-49A [PHOTOS]

[FCJ]

Early 1958? Agree or disagree? Thoughts?

I’m relatively new to this, but I understand that this drawing has been reproduced for 20+ years. I assume that it has been discussed and may be well settled, but I couldn’t find any discussion.

Photo 1:


Photo 2:


Photo 3:


Photo 4:


Photo 5:


Photo 6:


[END]