Iran, 1839 AD., Qajar dynasty, Muhammad Shah, Isfahan mint, Qiran, KM 797.2.

Iran, Qajar dynasty, Muhammad Shah (AH 1250-1264 / 1834-1848 AD.), Isfahan mint, dated AH 1255 (1839 AD.),
1 Qiran (Kran) (ø 18-19 mm / 5,31 g), 0.773 silver, 5.37 g theor. mint weight (4th weight standard, type D, 1254-1264 ), axis irregular alignment ↑↙ (ca. 220°),
Obv.: …. محمد شاه قاجار , “Shahanshah Anbiya Muhammad“ in Farsi. (Mohammad Shahansha-e Anbiyja, “Muhammad, King of the Prophets,” a word-play on the name of the ruler. )
Rev.: ١٢۵۵ / اصفهان / …. , mint name “Dar as-sultanat / Isfahan“ , date “1255“ below, all inside a double circle, external double-lined lobes.
KM 797.2 Type D ; Album 2913 ; Zeno 40730 ( https://www.zeno.ru/showphoto.php?photo=40730 ) .

Year / Mint Mark / Mintage
AH1255 / اصفهان / ?
AH1256 / اصفهان / ?
AH1257 / اصفهان / ?
AH1258 / اصفهان / ?
AH1259 / اصفهان / ?
AH1260 / اصفهان / ?
AH1261 / اصفهان / ?
AH1263 / اصفهان / ?