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1586 Tenshō earthquake. 1948 Fukui earthquake. 2016 Kumamoto earthquakes. 2018 Hokkaido Eastern Iburi earthquake.
This is a list of future area codes in the North American Numbering Plan (NANP) that are in the planning stages for relief of central office code exhaustion in the given numbering plan areas (NPAs). The dates are subject to change during implementation as published in the official NANP Administrator Planning Letters .
The coin rotation paradox is the counter-intuitive math problem that, when one coin is rolled around the rim of another coin of equal size, the moving coin completes not one but two full rotations after going all the way around the stationary coin, when viewed from an external reference frame. [1] The problem can be further generalized to coins ...
The coins of the New Zealand dollar are used for the smallest physical currency available in New Zealand. The current denominations are ten cents, twenty cents, fifty cents, one dollar and two dollars. The $1 and $2 coins are minted in a gold colour, the 20c and 50c coins are silver colour and the 10c coin is plated in copper.
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.
Newfoundland dollar coinage (1865–1947) In 1865, Newfoundland changed over to decimal currency following the footsteps of Canada, New Brunswick, and Nova Scotia. Pattern coins were issued in 1864, as were specimen cents. Newfoundland was the only British North American colony to have its own gold coin (though the Ottawa mint also produced ...
Numismatic Guaranty Company ( NGC) is an international third-party coin grading and certification service based in Sarasota, Florida. It has certified more than 60 million coins. NGC certification consists of authentication, grading, attribution, and encapsulation in clear plastic holders. NGC is a subsidiary of Certified Collectibles Group ...
This infobox shows the latest status before this currency was rendered obsolete. The Cook Islands dollar was the former currency of the Cook Islands, which now uses the New Zealand dollar, although some physical cash issued for the Cook Islands dollar remains in use. The dollar was subdivided into 100 cents, with some older 50-cent coins ...