A nice form written in the field requesting that Battery F submit their annual “Return of Casualties”.  It is signed by 2^nd Lieutenant Frank C. Choate, who later became Captain in the U. S. Color Troops. 

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Transcription:
                                                                                                Head Quarters 1^st Pa. Lt. Artillery 
                                                                                                    Ft. Yorktown, Va. May 18, 1863

                                         To the

                                        Commd’g Officer

                                                      Battery “F” 1^st Pa. Arty.

                                                                                              Sir:

                                                                                                   I am directed by the Regimental 
                                         Commander, to request that you will please forward to these 
                                        “Head Quarters: the return of Battery “F” for the month of April.

                                        Pa. 428 Army Regulations, requires Captains to make monthly 
                                        returns of their companies to Regimental Head Quarters, and 
                                        Commanders to Regiment to make monthly returns to the 
                                        Adjutant Generals Office, the latter cannot be made out unless 
                                        the former are regularly furnished, and the Regimental 
                                        Commander hopes that in future all the retunes and reports 
                                        required by the Army Regulations to be sent to Regimental 
                                        Head Quarters, will be promptly forwarded in order that the 
                                        Regimental returns and reports may be regularly completed – 
                                        and the records of the regiment correctly compiled. 

                                                  The Annual Return of Causalities called for by Circular 
                                        from these Head Quarters, dated January 25, 1863 has not yet 
                                        been received.

                                                                                          Very Respectfully

                                                                                          Your Obt. Servant,

                                                                                                        Frank C. Choate

                                                                                                        2^nd Lieut. & Adjutant

                                                                                                        1^st Pa. Lt. Artillery

On Reverse:

                                        Hd. Q. 1^st Pa. Arty. Regt.

                                        May 18, 1863

                                        Letter

                                        Requiring monthly return for April

                                        Monthly return forwarded May 28, 1863

Reverse:

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