Antique Real Photo Postcard. Identified as Lake Winnepauket in Webster, New Hampshire. Divided back, Kodak stampbox, unused. Condition: This is an original photo postcard, not a copy or reproduction. It is in excellent condition. Comments: Lake Winnepocket is a 229-acre freshwater lake in Webster, New Hampshire. It is mostly spring-fed which makes the water exceptionally clean and clear. In the shadow of Mt. Kearsarge, Lake Winnepocket provides a beautiful setting for fishing, swimming and boating.