A.K.A. #7 and #2500 at different points in its life A.K.A. #7 and #2500 at different points in its life. Frisco photos, published in the Frisco Museum's "All Aboard" magazine; posted with permission. #2500 Floor Plan #2500 Side view #2500 Platform; 9-24-1946 at Springfield, MO #7 Platform; 9-29-1949, Springfield MO #7 Side View; 9-29-1949.