Roman Water Mill: construction fill in footing trench of mill race wall Coins: 24 April 1933 #2-#30, #39-#40, #43-#44, #46-#67, #69-#76, #82-#95 25 April 1933 #30, #32-#35, #37-#40, #42-#43, #45, #47 ... 450-475 A.D.