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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.
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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 ...
Coins are graded on a scale from 1 to 70, with 1 being “poor” and 60-70 earning a “mint state” (MS) grading. ... Here’s a look at seven of the most valuable coins in 2024, ...
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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".
Coin slab is a type of holder for a coin. Slabbed coins are typically from one of the coin grading companies. The practice of sending coins to third-party grading companies and then "slabbing" them began in 1986. When a grading company grades the coin it is sealed in a tamper proof slab with a barcode and a hologram. To prevent counterfeiting ...
Numismatics is the study or collection of money, coins, medals, tokens, exonumia and banknotes The main article for this category is Numismatics . Wikimedia Commons has media related to Numismatics .