Dating of coins     Lists of good swappers    Lists of bad swappers    Coins catalogs for download


Dating of coins


The table of conformity of figures

Arabian digits
Iran digits
Burma digits
Bangladesh digits
Nepal digits
Thailand digits
Laos digits
Japan and China  digits
Ethiopia digits


Dates in letters on Russian coins of the beginning of 18 century

СЗ - 1699      АΨГ - 1703      АΨЗ - 1707      АΨАI - 1711      АΨЕI - 1715      АΨΘI - 1719
АΨ - 1700   АΨД - 1704   АΨИ - 1708   АΨВI - 1712   АΨSI - 1716   АΨК - 1720
АΨА - 1701   АΨЕ - 1705   АΨΘ - 1709   АΨГI - 1713   АΨЗI - 1717   АΨКА - 1721
АΨВ - 1702   АΨS - 1706   АΨI - 1710   АΨДI - 1714   АΨИI - 1718   АΨКВ - 1722


Coins of the Arabian countries more often are dated on Muslim system - Hijra - from date of resettlement of the founder of Moslem doctrine from Mecca to Medina which has in 622 year, July, 16 . Lunar year is shorter solar, therefore for translation of year Hijra the following formula is used: Y=H*0.97+621,6, where Y - year of a Christian calendar, H - year Hijra. In Afghanistan since 1932 (and also in 1920-1928) and in Iran since 1926 on coins solar year Hijra is underlined. Year of a Christian calendar: Y=H+ 622 (+ - 1). Coins of Ottoman empire has two dates - year of the introduction on a throne of the sultan (on lunar Hijra) and year of board. For definition of year of release of a coin it is necessary to combine both figures and then to translate the received date Hijra.

India. On the Indian coins of different provinces and princedoms there are dates of a Christian calendar, lunar Hijra, Samvat (the beginning - 57 year B.C.), Saka (the beginning - 78 year of our era), Malabar (the beginning - 824 year of our era) and a Buddhist calendar (the beginning " 543 year B.C.). The Buddhist system meets also on old coins of Ceylon and Thailand.

Thailand. On the Thai coins there may be years Bangkok era (the beginning - 1782 of our era), and also years of era Chula Sakarat (the beginning - 639 year of our era). Years of era Chula Sakarat meet also on coins of Burma and Kampuchea.

China. On the Chinese coins, up to an establishment of republic in 1911, years are specified mainly on cyclic system by two hieroglyphs. In this system consecutive years are united in cycles for 60 years in everyone. Each year inside a cycle has the hieroglyphic designation. To determine year of release of a coin, it is necessary to establish the period of its release on the hieroglyphs designating era. Sometimes on the Chinese coins years of this or that era, for example, 23-rd year Guanekoi that corresponds to 1898 of our era were specified. But more often on coins era that allows to define only the period of release of a coin is designated only. With 1911 for 1949 on the Chinese coins year of republic was put down. For example: 5-th year of republic that meets to 1916.

Korea. The Korean coins of different times are dated years of various systems where the account is conducted since 2333 B.C.., with 1394, 1896 and 1907 of our era.

Japan. On the Japanese coins the era conterminous to the period is underlined boards of emperor and year of era. Thus, for definition of year of release of a coin by one year of the beginning of era it is necessary to add year of era. For example, 37 year of era Maidzy beginning since 1868, corresponds to 1905 of a modern calendar.

Designations of eras:

digit      1868-1912      Maidzy, imperator Matzushito
digit   1912-1926   Taisho, imperator Yoshihito
digit   1926-1989   Showa, imperator Hirohito
digit   since 1989   Haisay, imperator Akihito


Ethiopia. On the Ethiopian coins the letter designation of figures is accepted, for example: 1895 on the Ethiopian system it is designated so: 1) ten, 2) eighteen); 3) hundred (the three first letters mean 1800); 4) ninety; 5} five. To find out year of release of a coin, it is necessary to the figure specified on a coin to add 7 years and 6 months (1895 on the Ethiopian system corresponds 1903).