1860s Tintype Photos ID'd Civil War Soldier & Wife Missouri or Arkansas

Description

Lot of three original sixth-plate (1/6) tintypes:
soldier with gold painted belt buckle and ring
identified as "Will Dunn, John's brother"; second
photo of the same man wearing a hat... looks to
have been taken on the same day, though his ring is
on a different finger; third photo of a young woman,
identified as, "Lucinda James Dunn (later Shockley)".
Based on the names I was able to research the family.
Lucinda (AKA Lucindy/Lucenda) James was born in Missouri
and married one of the Dunn brothers, Gifford (AKA Guilford
/Griffin/Will?) Dunn in Missouri in 1864. She married Gideon
Shockley in 1875, so Dunn was likely dead by then. I don't
know if "Will" = Gifford.. maybe a nickname or middle name?
The Dunn family was from Georgia originally but lived in
Arkansas at the outbreak of the war.. so I would think he
fought for Arkansas, but possibly Missouri.
Tintypes are in very nice condition as a whole, particularly
the one of Will in his hat. The one in uniform has some mat
abrasions, as shown. The thermoplastic cases have some damage;
Lucinda's is missing a top rail on the left side.
Boxed insured Priority Mail shipping.