133:(older copper coins) could be exchanged for 1 new Mannen Tsuho coin. If this exchange rate was actually carried out as ordered, then there would have been a rush of people wanting to exchange Mannen Tsuho for Taihei Genho. This in turn would have quickly depleted the government's supply of silver Taihei Genho coins which would have disrupted the circulation of Mannen Tsuho. Since the value of Taihei Genpō was also equal to 100 Wadokaichin coins, it was inevitable that privately minted coins would appear. As a result the government didn't want to put Taihei Genho coins into circulation as it would have caused confusion in the monetary economy.
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to him by a noble family. When two small silver coins dropped out, he presented them to the head of the family who praised him for his honesty and was given one as a gift. The coin weighed 1.48 momme (5.55 grams), about half the weight of the gold Kaiki Shoho coin. When the photo of the coin was examined by the
115:
Other claims since the Taisho-era find involve a photo from a 2004 document of a Taihei Genpō coin that was allegedly found in 1735 (the photo was taken long after the find). This story is said to have involved a mounter from Osaka who removed a scroll to repair a large
Buddhist painting entrusted
128:
Given a lack of physical evidence, it's assumed that Taihei Genpō coins were not in general circulation at the time. One possible explanation involves the "very favorable" exchange rate where 1 newly issued silver coin (Taihei Genpo) was worth 10 new copper coins (Mannen Tsuho). In this theory,
71:. This edict stipulates that 10 silver Taihei Genpo coins were to be used for 1 gold Kaiki Shoho coin. 1 silver Taihei Genpo coin could also be exchanged for 10 Mannen Tsuho (new copper coins). The right to issue these coins was given to
87:
Although there are no reported cases of anyone finding a genuine Taihei Genpo coin, claims of a find do exist. During the Taisho period in 1928, two coins which were declared to be Taihei Genpo were discovered in a "treasure room" at
448:
92:. However, this is open for interpretation as only rubbings remain of the actual coins which have since gone missing. The rubbings themselves are written differently when it comes to the word "Taihei"
129:
silver Taihei Genpō and gold Kaiki Shoho coins were merely show money to set a high value for imperial copper coins. An effort was made to draw attention away from the fact that 10
441:
112:. On the other hand, "Taihei" is an auspicious word that means peace throughout the world. It's said at the time that there was a wish for Emperor Junnin's reign to be peaceful.
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the previous year. As with Mannen Tsuho and Kaiki Shoho coins, Taihei Genpō are presumed to have been round with square-holes.
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810:
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120:, it was found that the style of the written characters meant that it couldn't have been made in the 8th century.
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148:. Yoshizawa suggests that the coins were retrieved and recast into a pair of silver vases which are now at
144:. Those who agree with this theory include director Satoru Yoshizawa of the Collection Department at the
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Guide to
Collecting Imperial Court Coins - A Detailed Explanation of Japan's Ancient Currencies
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where it is entered for March 16 in the 4th year of Tenpyo Hoji (760) during the reign of
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Japanese Coins in the
National Museum of Denmark: Focusing on the W. Bramsen Collection
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coins. While their history is confirmed, no actual genuine coins have ever been found.
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43:. Historical documents confirm that this coinage was established in the 4th year of
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has suggested that the coins could have also been destroyed when
Emperor Junnin
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Research
Catalog Series 5: The Reality of Ancient Coins - From Wado to Xuyuan
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349:. Shosoin Office of the Imperial Household Agency. p. 25.
314:. Kurokawa Institute of Ancient Culture. p. 5–6 & 16.
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On the Silver Jar in the
Southern Storehouse of the Shosoin
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The
Imperial edict for Taihei Genpō coins appears in the
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270:The Imperial Court Coin Research Group (2019).
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334:. Journal of East Asian Cultures. p. 57.
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75:(Emi no Oshikatsu), who had been appointed
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492:List of Japanese cash coins by inscription
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162:List of Japanese cash coins by inscription
289:. Kinensha. p. 38–41 & 518–519.
274:. Shoshinkan Publishing. p. 115–116.
219:
217:
215:
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226:Tomonsen and the Mysterious Silver Coins
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118:Kurokawa Institute of Ancient Cultures
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31:(aka: 大平󠄁元寶) is an early form of
14:
497:List of Japanese coinage patterns
530:
467:
228:. Shogakukan. p. 161–165.
1:
194:Issuance of Wadokaichin Coins
196:. Shibundo. p. 48–53.
837:
528:
465:
405:Imperial Household Agency
374:Imperial Household Agency
345:Yoshizawa Satoru (2017).
136:Japanese legal historian
106:
96:
35:which is recorded in the
25:
192:Matsumura Keiji (2009).
33:Japanese silver currency
821:Economy of feudal Japan
482:Currency Museum (Japan)
325:Marianna Lazar (2022).
285:Yabe Kurayoshi (2004).
16:Early Japanese currency
328:Ancient Coins of Japan
224:Imamura Keiji (2001).
102:as opposed to "Taihei"
785:Negotiable instrument
507:Nagasaki trade coins
310:Nagai Kumio (2018).
249:Sakuraki Shin'ichi.
146:Nara National Museum
73:Fujiwara no Nakamaro
47:, along with copper
811:Currencies of Japan
411:on August 11, 2023
381:on August 11, 2023
152:(treasure house).
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458:Japanese currency
296:978-4-321-24607-1
90:Toshodaiji Temple
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773:Edo period scrip
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512:Numismatic charm
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407:. Archived from
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698:Chinese coinage
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259:. p. 217.
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69:Emperor Junnin
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65:Shoku Nihongi
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37:Shoku Nihongi
34:
21:
728:Ryukyuan mon
702:c. 1101–1700
647:Shu (silver)
627:Kan'ei Tsūhō
594:Taihei Genpō
593:
522:Yen currency
517:Momme (unit)
413:. Retrieved
409:the original
404:
395:
383:. Retrieved
379:the original
372:
363:
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114:
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77:Daijō-daijin
62:
49:Mannen Tsuho
20:Taihei Genpō
19:
18:
790:Rice stamps
667:Tenpō Tsūhō
584:Kaiki Shoho
574:Wadōkaichin
554:Mumonginsen
502:Mother coin
131:Wadōkaichin
53:Kaiki Shoho
45:Tenpyō-hōji
41:Nara period
805:Categories
742:1500s–1871
657:Shu (gold)
168:References
124:Assessment
752:1573–1862
732:1454–1879
722:1404–1670
712:1336–1870
681:1837–1869
677:Ichibugin
671:1835-1870
661:1824–1869
651:1772–1869
641:1714–1854
637:Ichibuban
631:1626–1868
621:1601–1868
460:(pre-yen)
355:1343-1137
83:Existence
51:and gold
778:Hatamoto
564:Huhonsen
415:June 15,
385:June 15,
156:See also
59:Overview
718:Bitasen
578:708–958
558:667–672
547:Pre-Edo
540:Coinage
150:Shōsōin
39:of the
475:Topics
401:"銀壺 乙"
369:"銀壷 甲"
353:
293:
232:
200:
691:Multi
617:Koban
332:(PDF)
748:Ōban
417:2024
387:2024
351:ISSN
291:ISBN
230:ISBN
198:ISBN
107:大平元寳
97:太平元寳
26:大平元宝
738:Ryō
708:Mon
609:Edo
598:760
588:760
568:683
807::
403:.
371:.
255:.
212:^
176:^
450:e
443:t
436:v
419:.
389:.
357:.
299:.
238:.
206:.
110:)
104:(
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94:(
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23:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.