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NAIDOC Week (/ ˈ n eɪ d ɒ k / NAY-dok) is an Australian observance lasting from the first Sunday in July until the following Sunday. The acronym NAIDOC stands for National Aborigines and Islanders Day Observance Committee. [2] [3] [a] NAIDOC Week has its roots in the 1938 Day of Mourning, becoming a week-long event in 1975.
A coin catalog (or coin catalogue) is a listing of coin types. Information may include pictures of the obverse and reverse (front and back), date and place of minting, distribution type, translation of inscriptions, description of images, theme, metal type, mintage, edge description, orientation of the coin, weight, diameter, thickness, design credentials, shape and prices for various grades.
A coin show is also an event that allows the public to sell coins to dealers. [3] A show offers a coin collector the opportunity to meet multiple dealers and see a variety of coins, books, paper money and tokens. [4] A coin show provides dealers and collectors a chance to see a great variety of coins to fill out coin sets. [5]
Coins are graded on a scale from 1 to 70, with 1 being “poor” and 60-70 earning a “mint state” (MS) grading. The market for rare and collectible coins continues to grow and evolve as more ...
Coin grading [1] is the process of determining the grade or condition of a coin, one of the key factors in determining its collectible value. A coin's grade is generally determined by six criteria: strike, preservation, luster, color, attractiveness, and occasionally the country/state in which it was minted. Several grading systems have been ...
The first NAIDOC poster was created in 1972 to promote "Aborigines Day", which had been established as part of a campaign for better rights for Aboriginal people. The posters continued to reflect the spirit of protest until 1977, with titles like "Self Determination" and "Chains or Chance".
In 1995, NGC was named the official grading service of the ANA, though this is purely for marketing purposes as the ANA does not encapsulate coins in its collection, [6] and those that are encapsulated are a mix of donated coins by different services including rivals such as PCGS. [7] In 2004, NGC became the approved grading service of the PNG.
Third-party grading (TPG) refers to coin grading & banknote grading authentication, attribution, and encapsulation by independent certification services.. These services will, for a tiered fee depending on the value of the coin, "slab" a coin and assign a grade of 1–70 on the Sheldon grading system, with 1 being the lowest grade, with only faint details visible to 70, a practically perfect ...