Civil War Soldier CDV with Revenue Stamp

Civil War CDV of seated soldier in uniform. The neat, clean-shaven soldier, with hair combed back, legs crossed, and one hand holding Kepi, strikes a pose, facing frontal at camera. What looks like a minor blue ballpoint ink mark in lower left corner. Images somewhat faded in sepia tone. Backmark: 'Currier, photography, Amesbury, Mass.' Some toning, foxing. Some foxing on background field, back of Carte de Visite. Green revenue stamp on back. Good condition.

$100  No. 3345  Questions?