MEXICO: Revolutionary Issue, AE 10 centavos, 1915, KM-697, GB-273, Morelos issue, light flan striation lines on obverse, EF. Even though the last two digits of the date are the only ones that are clear, it is definitely GB-273, as GB-272 had the date 1914 before the date was effaced.
Estimate: 80-120 USD