https://www.proz.com/personal-glossaries/entry/14339246-abrasion-of-coins-%D8%AA%D9%8E%D8%A2%D9%83%D9%8E%D9%84%D9%8E-%D8%A7%D9%84%D9%86%D9%82%D9%88%D8%AF%D8%8C-%D9%86%D9%82%D8%B5-%D9%88%D8%B2%D9%86-%D8%A7%D9%84%D9%85%D8%B3%D9%83%D9%88%D9%83%D8%A7%D8%AA%D8%8C-%D8%AA%D8%AD%D8%A7%D8%AA-%D8%A7%D9%84%D9%86%D9%82%D9%88%D8%AF&set_site_lang=deu&set_site_lang=eng