A mithril chain shirt costs roughly the same as +1 leather, for a better AC, or +1 studded leather for the same AC but superior MDB, ASF, and weight.
A +1 mithril chain shirt costs about 1/2 of +2 leather (for a better AC), or less than 1/4 of the cost of +3 leather (for the same AC) or 1/2 the...