SPIRIT OF THE TIMES, New York, April 25, 1857  It is subtitled in the masthead: "A Chronicle of the Turf, Agriculture, Field Sports, Literature and the Stage". 
The bottom of page 6 has a small report headed: "Base Ball" noting in part: "A meeting of the Atlantic Base Ball Club of the city of Brooklyn was held...the following officers were unanimously elected for the ensuing year..." with the list. A bit more also, including: "Resolved--that the regular days for play shall be on Monday and Thursday of each week."
Twelve pages, 12 1/4 by 17 3/4 inches, a sporting-themed engraving in the masthead, great condition.