Nantucket Signals places a narrower N nearer the hoist; another example is in the signal painting.
Norman is dated 1845–1868 by Loughran, while Nantucket Signals records sale to New Bedford in 1865. George Starbuck was owner initially and in 1860, with G. & M. Starbuck as agents and several ownership gaps.
Keep the explicit scope label independent; no alias or company identity is inferred.