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<p>[QUOTE=&quot;Quant.Geek, post: 4830937, member: 74799&quot;]There are two really nice books on calendars and coins, including Gregorian-type dated coins:</p><p><br /></p><p>The Early Dated Coins of Europe, 1234-1500, 2nd Edition by Robert A. Levinson</p><p>Tempus in Nummis by James O Sweeny</p><p><br /></p><p>There are many different calendars and thus many different types of &quot;dated coins&quot;.&nbsp; For instance:</p><p><br /></p><p><b> Macedonian Kingdom: Antigonos I Monophthalmos, as Strategos of Asia (320-306/5 BCE) AR Tetradrachm, Tyre (Price 3298; DCA 736)</b></p><p><b><br /></b></p><p><b>&nbsp;</b> Obv: Head of Herakles right, wearing lion&#039;s skin headdress</p><p>Rev: AΛEΞANΔPOY; Zeus Aëtophoros seated left; in left field, (<i>Phoenician King’s name</i>) and (<i>Phoenician Year 8, in two lines</i>)</p><p><br /></p><p><img src="https://www.forumancientcoins.com/gallery/albums/userpics/36484/Price-3298.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><b> Georgia: Queen Rusudan (1223-1245) AE fals (Lang-13; Langlois-30)</b></p><p><b>&nbsp;</b> Obv: In center; Asomtavruli ႰႱႬ (RSN), standing for RuSudaNi, surmounted by the queen’s monogram being a part of the ornamental device. Surrounded by a linear border. Asomtavruli characters ႵႩႬჃႫႦ (K’KNUMZ, standing for the date formula K’oroniKoN UMZ, i.e. 447, which corresponds to 1227, the frozen date) are placed into the right, bottom and left compartments between the ornamental device and the linear border</p><p>Rev: name and titles of Rusudan in Arabic in four lines across field surrounded by a beaded or a linear border;</p><p><br /></p><p>الملكة الملوك والملكات; <i>Queen of Kings and Queens</i></p><p>جلال الدنيا والدين; <i>Glory of the World, Kingdom and Faith</i></p><p>روسدان بنت تامار ظهير المسح; <i>Rusudan, daughter of Tamar, Champion of the Messiah</i></p><p>عزالله انصاره; <i>May God increase [her] victories</i></p><p><br /></p><p>The Georgian year is encoded using the &quot;Paschal cycle&quot;. This dating system is based on the creation date being March 22, 5604 BC. From this date, they ran through a 532-year cycle. So, Year 1 was March 22, 5604 BC for the 1st cycle. And the 13th cycle&#039;s Year 1 was March 22, 781 AD. For years 346 to 532, add 780 to obtain the corresponding year in AD. The year starts off at March 22nd for each AD year. So, 420 + 780 = March 22, 1200 AD. </p><p><br /></p><p><img src="https://www.forumancientcoins.com/gallery/albums/userpics/36484/Lang-13.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /></p><p><br /></p><p><br /></p><p><b> Western Kshatrapas: Vijayasena (238-250 AD) AR drachm (Fishman-23.1.160) </b></p><p><b><br /></b></p><p>Obv: Bust of Vijayasena, with corrupted Greek legend, date in Brahmi numerals behind (160 Saka Era = 238 AD)</p><p>Rev: Three-arched hill or Chaitya, with river, crescent and sun, within legend in Brahmi Rajno Mahaksatrapasa Damasenasaputrasa Rajnah Ksatrapasa Vijayasanasa (&quot;of Raja Satrap Vijayasena, son of Raja Mahasatrap Damasena&quot;) </p><p><br /></p><p><img src="https://www.forumancientcoins.com/gallery/albums/userpics/36484/Fishman-23_1_160.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" />[/QUOTE]</p><p><br /></p>

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