Albert M. Tyler enlisted in the 27th New York as a private in May of 1861.  He was commissioned lieutenant in July of 1862 and captain in November.  He was mustered out in in May of 1863 at the end of the 27th's service.  His unit's battle honors included heavy casualties at 1st Bull Run and on the Peninsula at Gaines Mill.

He immediately reenlisted in the field and took a captain's commission in the 121st New York who had taken heavy casualties at Salem Church and were in need of experienced officers.  His service with the 121st included Rappahannock Station, the Wilderness, Spotsylvania Courthouse, Cold Harbor, Opequan, Cedar Creek, Petersburg and Saylor's Creek.     

Description.  Ensemble consists of:  

• Line officer’s frock coat
• line officers single-breasted nine-button coat, fully lined with typical mothing
• Buttons are typical Period three-piece US staff officer pattern
• coat bears Civil War period attributes include correct sleeve measurements
• Military vest
• blue wool
• nine Period brass general service eagle buttons
• 1855 dated adjustment buckle
• Officer’s sash, red silk
• Officer’s dress cap
• Blue wool officers Chasseur pattern with quatrefoil
• Front Insignia is US staff officer’s wreath
• Top insignia is Sixth Corps cross in red (First Division)
• Cap is lined and sweatband intact.  Makers mark present but indiscernible
• Cap has improvised Havelock in polished cotton
• Shoulder straps rank insignia
• One pair of Period Major straps
• three single Period Captain straps
• Ephemera
  • Carte de visité of Captain Tyler in uniform
  • Tintype (un-mounted) of Albert Tyler in civilian clothing
  • First edition regimental history of the 121st NYVI
  • Recent edition regimental history with Tyler's photo included