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The E-Sylum: Volume 29, Number 27, 2026, Article 12

VOCABULARY TERM: SQUARE SHAPE

Here's another entry from Dick Johnson's Encyclopedia of Coin and Medal Terminology. I added the medal image from the Frick collection. -Editor

Square Shape. A coin or medal with four edges of equal length and four right angles. Modern symbolism for the square shape is difference and independence, to be the square peg in a world of round holes. Earlier it meant order and stability, as the four seasons or the four stages in man's life. A square shape is considered less sensual to the human touch than the circle because of the corners. A square panel is called a meotope, often a square frame enclosing a medallic design.

Square coins. Coins of roughly square shape exist for a major reason of the ease of preparing the blank. Cutting square blanks is easy with a pair of shears and can be done manually. Thus provisional or emergency coinage is frequently in square or diamond (klippe) shape. In modern times with modern equipment Netherlands struck a square 5-cent coin (1913-43) with rounded corners.

Giangiacomo Trivulzio Medal obverse Giangiacomo Trivulzio Medal reverse
Giangiacomo Trivulzio Medal

Square medals. While a square medal might be confused with a plaquette, both having four right angle corners by definition, a plaquette is usually one sided and thinner.

A square medal always has two sides, obverse and reverse, and sufficient thickness for its medallic design. An early example was the Giangiacomo Trivulzio Medal of 1449, by Cristofano Caradosso (Kress 192). A recent example is the Society of Medalist Issue number 69 by Robert Weinman.

To read the complete entry on the Newman Numismatic Portal, see:
Square Shape (https://nnp.wustl.edu/library/dictionarydetail/516798)

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Wayne Homren, Editor

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To submit items for publication in The E-Sylum, write to the Editor at this address: whomren@gmail.com

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