"on another thought rough outer vs smooth? seems rough is current trend in reenacting but I've read where many were smooth back then."
That is somewhat more of a reenactorism than history.
The uppers on original shoes were made of flesh (aka "rough") side out waxed oak-tanned leather which in Period tanneries was a much thinner, stronger, and able to hide flaws leather than what is used now. "French Dressed" or Waxed" leather was made by using tallow, oil, and beeswax to produce a flexible and water resistant. It had an outer surface that was smooth more or less, to take a shoe polish.. but still tough/rough enough to resist scratching.
When shoes started to be reproduced for reenacting, reenactors read 'rough' wanted rough. And the early makers met that demand and produced (so-called) Frankenstein boots with VERY coarse and fuzzy stiff untreated leather. With the rise of "authenticity" minded lads in the late 1980's and early 1990s', some lads were burning or sanding off the long fuzzies to try to get a more CW looking shoe.
Anyways, some lads look at original shoes, and mistake Period waxed flesh (rough) side for grain (smooth).
"kinda like the peg sole, everyone seems to want pegged but I've read where pegged were not as common as sewn on the originals '
Overall, for the Civil War the U.S. Quartermaster Department purchased more sewn/sewed shoes However, it is interesting that different arsenals did different things such as Philadelphia purchasing 3,231,647 pairs of sewed and NO pegged sold shoes while NY collected 2,759,900 sewn versus 363,880 pegged. Or Cincinnati 6,082, 297 sewn and 2,199,339.
IMHO, one of the larger factors in that is whether or not arsenals/depots or contractors had shoe machines or not (shoes are found with hand sewn, machine sewn, and pegged soles).
And last, is the issue or whether it matters or not to the buyer, whether the repro shoes have or do not have pattern and pieces parts that look more like the original CW shoes versus the Frankenstein boots of the 1980's. Normally, usually, generally, the cheapest of the shoes are foreign approximations derived from looking at other reproduction shoes not originals in any way and simplifying things to make a product that can be made quickly and above all very cheaply.
In gleichem Schritt und Tritt, Curt Schmidt
Not a real Civil War reenactor, I only portray one on boards and fora.
I do not portray a Civil War soldier, I merely interpret one.