I assume you refer to #559s Little Robin, the cruising boat based on the Buzzards Bay 15 model?
I believe I have a photo of her from before 1904, but without a bowsprit.

"No. 31 --- For Sale --- Herreshoff 16-foot water line keel knock about; a perfect little craft in every way; just the boat for the boys, or for afternoon sailing; able and fast; very complete inventory for small boat. Dimensions are: 26 feet over all; 16 feet 4 inches water line; 6 feet 9 inches beam; 4 feet 6 inches draught; 1,500 lbs. of lead on keel; built by Herreshoff in 1901. Impossible to find a better boat of the kind, and anybody wishing a small knockabout, could not do better than look into this one. One of the few Herreshoff boats ever placed on the market. Apply to E. A. Boardman, Naval Architect and Yacht Broker, 20 Central St., Boston, Mass. [Although Little Robin was not explicitly identified in the accompanying advertisement text, it is clear that only she could have been meant, as she was the only 16' 4' LWL keel boat that had been contracted for in the 1900-1901 time period.]" (Source: Rudder, March 1904, p. 162.)
"No. 10937 --- For Sale --- A dandy little Herreshoff knockabout; 26 ft o. a., 16 ft. 4 in. w. l., 6 ft. 9 in. beam, 4 ft. 6 in. draught, 1,500 lb outside lead ballast. Small cabin with enough headroom to sit up in with full length transoms. Built in the usual high grade Herreshoff manner with cedar planking and brass screw fastenings. Watertight cockpit. Canvas deck. This smart little craft was built in 1901 and has always had the finest care. Ideal boat for a boy or girl to learn to sail in as she is absolutely uncapsizable and unsinkable. Handles to perfection. Price $500. Can be seen in Boston by applying to Hollis Burgess Yacht Agency, 15 Exchange Street, Boston, Mass. [Although Little Robin was not explicitly identified in the accompanying advertisement text, it is clear that only she could have been meant, as she was the only 16' 4' LWL keel boat that had been contracted for in the 1900-1901 time period.]" (Source: Anon. "For Sale." Rudder, March 1914, p. 153.)