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The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, were produced. Bunkyu Eiho (eternally circulating treasure of the Bunkyu Era) were mostly made out of old 1 mon coins and contain no zinc. The cursive script was written by the court councilor Itakura Katsuyoshi.JA110396. Bronze 4 mon, Hartill EJC 5.17, Jacobs-Vermeule K902, SCWC KM C 6a, JNDA 138.2, VF, scrapes (normal for the type), weight 3.959 g, maximum diameter 26.7 mm, die axis 0o, Asakusa and Kosuge mint, 1863 - 1868; obverse bun kyu ei ho, so bun (cursive) script, wide rim on hole; reverse 11 waves; $16.00 (€16.16)
Japan, Bunkyu Eiho, Edo Period, 1863 - 1868
The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, were produced. Bunkyu Eiho (eternally circulating treasure of the Bunkyu Era) were mostly made out of old 1 mon coins and contain no zinc. The cursive script was written by the court councilor Itakura Katsuyoshi.JA110397. Bronze 4 mon, Hartill EJC 5.17, Jacobs-Vermeule K902, SCWC KM C 6a, JNDA 138.2, VF, scrapes (normal for the type), dark patina, trace deposits, weight 4.536 g, maximum diameter 26.8 mm, die axis 0o, Asakusa and Kosuge mint, 1863 - 1868; obverse bun kyu ei ho, so bun (cursive) script, wide rim on hole; reverse 11 waves; $16.00 (€16.16)
Japan, Bunkyu Eiho, Edo Period, 1863 - 1868
The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, were produced. Bunkyu Eiho (eternally circulating treasure of the Bunkyu Era) were mostly made out of old 1 mon coins and contain no zinc. The cursive script was written by the court councilor Itakura Katsuyoshi.JA110395. Bronze 4 mon, Hartill EJC 5.17, Jacobs-Vermeule K902, SCWC KM C 6a, JNDA 138.2, VF, scrapes (normal for the type), dark patina, weight 3.696 g, maximum diameter 27.2 mm, die axis 0o, Asakusa and Kosuge mint, 1863 - 1868; obverse bun kyu ei ho, so bun (cursive) script, wide rim on hole; reverse 11 waves; $15.00 (€15.15) ON RESERVE
The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, can be dated by the type and color of the metal. Meiwa-sen, brassy alloy (68% copper, 24% zinc, and 8% tin), was used for the first 11 wave issue, 1769 - 1788. Bunsei-sen, reddish alloy (75% copper, 15% zinc, and 10% lead), was used for the second issue, 1821 - 1825. Ansei-sen, dark alloy (65% copper, 15% zinc, and 20% lead), was used for the third issue, 1857 - 1859. After 1866, all four mon coins were cast in iron.JA110405. Brass 4 mon, New Kanei; Meiwa-sen (brassy alloy); Shoji; Hartill EJC 4.252; Jacobs-Vermeule K602; Jones Kanei 202; Ogawa 329; SCWC KM C 4.2, aVF, weight 4.292 g, maximum diameter 28.2 mm, die axis 0o, Musashi Province, Edo, Sendashinden Fukagawa mint, 1769 - 1788; obverse kan ei tsu ho, Shoji (regular characters) variety; reverse 11 waves; $14.00 (€14.14)
The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, can be dated by the type and color of the metal. Meiwa-sen, brassy alloy (68% copper, 24% zinc, and 8% tin), was used for the first 11 wave issue, 1769 - 1788. Bunsei-sen, reddish alloy (75% copper, 15% zinc, and 10% lead), was used for the second issue, 1821 - 1825. Ansei-sen, dark alloy (65% copper, 15% zinc, and 20% lead), was used for the third issue, 1857 - 1859. After 1866, all four mon coins were cast in iron.JA110406. Brass 4 mon, New Kanei; Meiwa-sen (brassy alloy); Shoji; Hartill EJC 4.252; Jacobs-Vermeule K602; Jones Kanei 202; Ogawa 329; SCWC KM C 4.2, aVF, scrapes, weight 4.883 g, maximum diameter 28.2 mm, die axis 0o, Musashi Province, Edo, Sendashinden Fukagawa mint, 1769 - 1788; obverse kan ei tsu ho, Shoji (regular characters) variety; reverse 11 waves; $14.00 (€14.14)
The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, can be dated by the type and color of the metal. Meiwa-sen, brassy alloy (68% copper, 24% zinc, and 8% tin), was used for the first 11 wave issue, 1769 - 1788. Bunsei-sen, reddish alloy (75% copper, 15% zinc, and 10% lead), was used for the second issue, 1821 - 1825. Ansei-sen, dark alloy (65% copper, 15% zinc, and 20% lead), was used for the third issue, 1857 - 1859. After 1866, all four mon coins were cast in iron.JA110408. Brass 4 mon, New Kanei; Meiwa-sen (brassy alloy); Shoji; Hartill EJC 4.252; Jacobs-Vermeule K602; Jones Kanei 202; Ogawa 329; SCWC KM C 4.2, aVF, weight 5.090 g, maximum diameter 28.3 mm, die axis 0o, Musashi Province, Edo, Sendashinden Fukagawa mint, 1769 - 1788; obverse kan ei tsu ho, Shoji (regular characters) variety; reverse 11 waves; $14.00 (€14.14)
The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, can be dated by the type and color of the metal. Meiwa-sen, brassy alloy (68% copper, 24% zinc, and 8% tin), was used for the first 11 wave issue, 1769 - 1788. Bunsei-sen, reddish alloy (75% copper, 15% zinc, and 10% lead), was used for the second issue, 1821 - 1825. Ansei-sen, dark alloy (65% copper, 15% zinc, and 20% lead), was used for the third issue, 1857 - 1859. After 1866, all four mon coins were cast in iron.JA110410. Brass 4 mon, New Kanei; Meiwa-sen (brassy alloy); Shoji; Hartill EJC 4.252; Jacobs-Vermeule K602; Jones Kanei 202; Ogawa 329; SCWC KM C 4.2, aVF, dark patina, trace deposits, weight 5.102 g, maximum diameter 28.3 mm, die axis 0o, Musashi Province, Edo, Sendashinden Fukagawa mint, 1769 - 1788; obverse kan ei tsu ho, Shoji (regular characters) variety; reverse 11 waves; $14.00 (€14.14)
The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, can be dated by the type and color of the metal. Meiwa-sen, brassy alloy (68% copper, 24% zinc, and 8% tin), was used for the first 11 wave issue, 1769 - 1788. Bunsei-sen, reddish alloy (75% copper, 15% zinc, and 10% lead), was used for the second issue, 1821 - 1825. Ansei-sen, dark alloy (65% copper, 15% zinc, and 20% lead), was used for the third issue, 1857 - 1859. After 1866, all four mon coins were cast in iron.JA110399. Brass 4 mon, New Kanei; Meiwa-sen (brassy alloy); Shoji; Hartill EJC 4.252; Jacobs-Vermeule K602; Jones Kanei 202; Ogawa 329; SCWC KM C 4.2, aVF, light porosity, weight 5.146 g, maximum diameter 27.2 mm, die axis 0o, Musashi Province, Edo, Sendashinden Fukagawa mint, 1769 - 1788; obverse kan ei tsu ho, Shoji (regular characters) variety; reverse 11 waves; $12.00 (€12.12)
The very first four mon coins, issued in 1768, had 21 waves on the reverse. Later four mon coins, all with 11 waves on the reverse, can be dated by the type and color of the metal. Meiwa-sen, brassy alloy (68% copper, 24% zinc, and 8% tin), was used for the first 11 wave issue, 1769 - 1788. Bunsei-sen, reddish alloy (75% copper, 15% zinc, and 10% lead), was used for the second issue, 1821 - 1825. Ansei-sen, dark alloy (65% copper, 15% zinc, and 20% lead), was used for the third issue, 1857 - 1859. After 1866, all four mon coins were cast in iron.JA110404. Brass 4 mon, New Kanei; Meiwa-sen (brassy alloy); Shoji; Hartill EJC 4.252; Jacobs-Vermeule K602; Jones Kanei 202; Ogawa 329; SCWC KM C 4.2, aVF, dark patina, scrapes, weight 4.796 g, maximum diameter 28.1 mm, die axis 0o, Musashi Province, Edo, Sendashinden Fukagawa mint, 1769 - 1788; obverse kan ei tsu ho, Shoji (regular characters) variety; reverse 11 waves; $12.00 (€12.12)
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