"No other flag but this shall ever float o'er these United States."
Illustrated Civil War envelopes with patriotic symbols, slogans and cartoons, mostly Northern, including a few Southern ones.
Lady Liberty is holding up a Union flag with her right hand and holding on to a generic shield with her left hand.
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United States -- History -- Civil War, 1861-1865; United States -- Politics and government -- 1861-1865; Covers (Philately) -- United States -- History -- Civil War, 1861-1865; Envelopes (Stationary); Cachets (Philately); Patriotism -- United States; Flag; Liberty; United States Civil War; US Civil War; Patriotic envelopes; Union flag; Lady Liberty;