What grade is this lifter?

[Bruce Day]

Clearly 1860's Civil War era Union Calvary officers dress. By the mid 1870's the boots were shorter and the hat had changed to either a cap or the formed style rather than a slouch hat.

Of course that change in uniform standards would not prevent a veteran of the Civil War from requesting pictorial engraving of an earlier uniform style. I wonder if a veteran had come into money post war and wanted his nice high end Parker to commemorate glory days riding with Sheridan or Custer.