[Pramāṇa](https://indike.org/pramana/) › [Studies](https://indike.org/pramana/ins) › [Archaeology, epigraphy and coins](https://indike.org/pramana/ins.epigraphy) › [Book of Indian Eras, with Tables for Calculating Indian Dates](https://indike.org/pramana/ins.epigraphy.cunningham-1883) › c13.19 # Book of Indian Eras, with Tables for Calculating Indian Dates c13.19 Book of Indian Eras, with Tables for Calculating Indian Dates c13.19 - **Language:** English ### [c13.19](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c13.19) It is doubtful, except in a few instances, whether any coins of the Greek kings are dated. The three letters PMI on the exergue of the coin of Platon can only be explained as a date, although the usual order of IMP is reversed. As a date they represent 147, which can only be referred to the Seleukidan era, and would, therefore, be equivalent to B.C. 165-164. The letters ΟΓ, or 73, are found on a coin of Eukratides, and the letters ΠΓ, or 83, on several coins of Heliokles. That these are most probably dates has been proved by Mr. Thomas, by a reference to a coin of Heliokles in the British Museum, bearing the full date ΠΙΓ, or 183.\* I have since acquired a tetradrachm of Eukratides with the detached letters NA, which may also be read as a date, or 51 = 151 of the Seleukidan era. According to these dates we have— - [Previous: c13.18](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c13.18) - [Next: c13.20](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c13.20) - [Up: c13](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c13) --- Source: [https://indike.org/pramana/ins.epigraphy.cunningham-1883.c13.19](https://indike.org/pramana/ins.epigraphy.cunningham-1883.c13.19) · Pramāṇa