The flag is undated. Phillip H. Folger also had his own house flag.
Golden Farmer is dated 1809–1828 by Loughran; Nantucket Signals begins in 1815 under Zenas Coffin and gives no fate. Later owners include Richard ?, Thomas ? and Phillips H. Folger, with John Jenkins & Co. as agent in 1820.
Keep the explicit scope label independent; no alias or company identity is inferred.