Bactrian correspondence: A case study of cl and cm letters

In this research, cl and cm letters from Bactrian letters collection have been studied. First, the author has transliterated the two letters and translated them into Persian, then analyzed the lexicon. The letters show that the two letters are related to each other and indicate the correspondence of government officials in Bactria. For example, letters begin with "a greeting to my dear brother", and the author of the letter expresses his pleasure at hearing the ruler's health, and at the end, again, Greetings to the ruler. The letters are about stealing horses. This article, while providing a Persian translation of these letters, seeks to answer the following questions: 1. what is the style of writing in Bactria? 2- Based on these letters, letters, is it possible to understand writer's and recipient's occupation? 3. According to these letters, is it possible to understand the rank of the officers? 4. What is the tone of the letters?Key words: Bactrian language; Bactria; cl and cm letters; horse theft; Bactrian letters; documents and correspondence in middle periods.