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  2. Obverse and reverse - Wikipedia

    en.wikipedia.org/wiki/Obverse_and_reverse

    The obverse of a coin is commonly called heads, because it often depicts the head of a prominent person, and the reverse tails. In numismatics, the abbreviation obv. is used for obverse, [1] while ℞, [1])([2] and rev. [3] are used for reverse. Vexillologists use the symbols "normal" for the obverse and "reverse" for the reverse.

  3. Coin orientation - Wikipedia

    en.wikipedia.org/wiki/Coin_orientation

    Coin orientation (or coin alignment or variations of these) is the relation of the vertical orientation of the images on the obverse and reverse sides of coins to one another. The two basic relations are called medallic orientation and coin orientation.

  4. Great Seal of the United States - Wikipedia

    en.wikipedia.org/wiki/Great_Seal_of_the_United...

    The metallic die of the obverse side of the Great Seal is what actually embosses the design onto documents. These dies eventually wear down, requiring replacements to be made. The current die is the seventh engraving of the seal, and the actual design on the dies has evolved over time.

  5. Obversion - Wikipedia

    en.wikipedia.org/wiki/Obversion

    The immediately inferred proposition is termed the "obverse" of the original proposition, and is a valid form of inference for all types (A, E, I, O) of categorical propositions. In a universal affirmative and a universal negative proposition the subject term and the predicate term are both replaced by their negated counterparts:

  6. United States one-hundred-dollar bill - Wikipedia

    en.wikipedia.org/wiki/United_States_one-hundred...

    The obverse featured vignettes of Perry leaving the USS St. Lawrence and an allegorical figure to the right; the reverse featured a vignette of U.S. gold coins. 1875: The reverse of the Series of 1869 United States Note was redesigned. Also, TREASURY NOTE was changed to UNITED STATES NOTE on the obverse.

  7. Mercury dime - Wikipedia

    en.wikipedia.org/wiki/Mercury_dime

    The Mercury dime is a ten-cent coin struck by the United States Mint from late 1916 to 1945. Designed by Adolph Weinman and also referred to as the Winged Liberty Head dime, it gained its common name because the obverse depiction of a young Liberty, identifiable by her winged Phrygian cap, was confused with the Roman god Mercury.

  8. 6 Coins From the 1970s That Are Worth a Lot of Money - AOL

    www.aol.com/6-coins-1970s-worth-lot-154319500.html

    1971-S Doubled Die Obverse Penny: $10,350. Double die mistakes happen when the metal gets struck multiple times by the die (or design stamp) on either the front (obverse), reverse, or both sides. ...

  9. United States one-dollar bill - Wikipedia

    en.wikipedia.org/wiki/United_States_one-dollar_bill

    The reverse design of the present dollar debuted in 1935, and the obverse in 1963 when it was first issued as a Federal Reserve Note (previously, one-dollar bills were Silver Certificates). The current US two-dollar bill has the oldest obverse design, dating from 1928. A dollar bill is composed of 25% linen and 75% cotton.