Antique Real Photo Postcard. Depicting the village of Treadwell, New York. Divided back, postmarked 1912 from Treadwell, NY. Condition: This is an original photo postcard, not a copy or reproduction. It is in excellent condition. Comments: Treadwell is a hamlet located within the town of Franklin in Delaware County, New York, United States. Treadwell was originally named Croton in the 19th century.