For filling place two cans of peaches and juices in a large skillet on medium heat then add brown sugar, cornstarch mixed with a little bit of the juices from peaches and put into skillet, butter, and allspice.
Cook filling stirring constantly until thick and bubbly. Remove from heat and set aside.
Roll out first crust and fit into casserole dish. Spread fruit filling evenly in crust. Then roll out second crust and place on top of fruit filling. Put several slits in top crust for stream to release. Sprinkle top crust with bits of butter and sprinkle with cinnamon & sugar.
Bake cobbler at 350 for 30 minutes or until golden brown and filling is bubbly. Remove to wire rack to cool. Then serve.