"Eagle, Flag & Capitol Building" Magnus patriotic cover, franked with 3c rose and 12c black, tied to cover by black circle of wedges cork cancels, postmarked "Boston / Mar / 16 / Paid / 12" in red, to Doctor Angell in Paris, France, indistinct red entry mark and Paris (29 Mar) c.d.s. on front, there affixed with 40c orange, tied by "8" Paris star cancel (Rue d'Antin), and forwarded to Madrid, Spain, via forwarding agents John Munroe & Co., their oval cachet on front, partial Paris and Irun transit backstamps, Madrid c.d.s. receiver (31 Mar), faults to reverse from prior mounting, 12c trimmed well into design, yet a rare forwarded patriotic cover from the Angell correspondence; Herman Toaspern backstamp, with 2023 Philatelic Foundation certificate.