In general, the top part of a headstone is pointed so that it resembles "eboshi" (formal headwear for court nobles)--there are exceptions--, and the phrase "XXX-ke Okutsuki" (a grave for the XXXs) is inscribed in the front side of the headstone.
形は一般に烏帽子を象って頂点を尖らせるが、そうでない場合もあり、正面に「○○家奥津城」と刻む。