|Description||Obverse||Reverse||Diam., mm||Peculiarity||Image origin|
| The Ming Dynasty|
Emperor Hsi Tsung (a.d.1621-1628)
ch.kung on rev. (Board of Works)
ch.hu on rev. (Board of Revenue)
look at the comment below the table
Please look at T'ien Chi script variations.
There are some additional considerations about 4-th coin (signed as S1202).
Coins with the same legend were casted during rebel state Tien Wan Kuo (1352-1358) by the Pretender Ch'en Liang of Han. In that case it's S1117-1118 coin.
Prices on Rebel T'ien Ch'i coins are much more ( >100 times ) then on Ming coins.
Differences between Ming and Tien Wan Kuo coins were described for me by Mr.Gilbert Tan: