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The two dies meet and each carries away part of the design embedded on the die. Coins minted using these dies cause coins to be minted with parts of the reverse design on the obverse or parts of the obverse on the reverse of the coin. Die rotations cause coins to be minted with the reverse or obverse of the coin partially or fully rotated.
In this usage, obverse means the front face of the object and reverse means the back face. 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.
A coin alignment describes a coin struck so that when the obverse side is facing upright, the coin must be flipped top-to-bottom to see the reverse side facing upright. U.S. coins are struck with coin alignment. collar The outer ring of the die chamber that holds the blank in place while the obverse and reverse are being stamped. contact marks
The coins have quite a large spread on the doubling, which is quite evident throughout the mottoes and date on the obverse. While not quite as dramatic as the 1955 Doubled-Die obverse, this coin ...
A type of cryptocurrency inspired by internet memes, pop culture or social media trends. Unlike mainstream cryptocurrencies like Bitcoin or Ethereum, memecoins often lack a clear utility or ...
A coin struck using dies never intended for use together is called a "mule". An example is a coin struck with dies designed for different coin denominations, or a coin struck with two dies that both lack a minting year on them, resulting in a 'dateless' coin.
Brockages are relatively rare among modern coins of industrialised countries where mints exercise a strict production control and somewhat less rare among the modern coins of some developing countries which operate their own mint (e.g. Nepal); in good condition, coins with clear brockage are a collector's item and can sell for substantial ...
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.