Christopher Gibson School No. 1338 Postcard. Caption on front: Christopher Gibson School, Dorchester. Postmarked Dec. 28, 1907 Dorchester Center Station with one-cent stamp. On verso: No. 529. Pub. by Boston Post-Card Co., 12 Pearl St.
Christopher Gibson School No. 532 Postcard. Caption on front: Christopher Gibson School, Dorchester. Postally unused. On verso: The Royal Blue card pub. by Putnam Art Co., Grove Hall, Boston.
