MrRick,
That is one beautiful tool, excellent craftsmanship on your part. I enjoyed the write up, well done, was a pleasure to read.
Like you, I enjoy using hand tools in my work, not sure why, but I think it started when I visited Colonial Williamsburg, VA. The craftsmanship by the Actor-Interpreters there was phenomenal, their works are a thing of beauty, and all performed without electricity. 
In your writeup regarding the making of the iron I noticed you didn't mention whether or not you tapered it like the originals. Did you taper it? I've collected some 18th century tools that I try to use as often as possible, and when molding plane irons are stuck, I use the "tap it in further to release it" method. Works pretty good.
Thanks for this descriptive writeup, most interesting.