Season pass number 147 to the Huntington Avenue Grounds, home field of the Boston Americans. [Front] Leather booklet with embossed gold letters: Boston American League Base Ball Club, Season 1906, 147. [Back] Printed text: All Detached Coupons Are Void. No. 147 Compliments…Boston American League Base Ball Club. For The Season Of 1906 Admitting (Signed M.F. McGreevy) Good only after Agreement on Back Cover is Signed. Printed signature of John I. Taylor, President. Back inside cover: This book is Not Transferable. It will be Forfeited and taken up by the gate-keeper if presented by any other than: