From the bottom of the Grate to the top of the fire brick will be at lease 10" the fire bricks are 9" long alone he will have plenty of space to burn Anthracite in that stove most hand feds are 10 to 12" deep from the grate to the top of the bricks
he has a banking bar for the inside front of the stove he will be able to fill the coal up in the middel of the stove almost up to the baffle Plate the stove will work fine
http://www.owrhs.org/stove1.jpg