Amana Tool 49207 Carbide Tipped Roman Ogee 3/8 R x 2 Inch D x 1 Inch CH x 1/2 SHK w/ Lower Ball Bearing Router Bit

The Roman ogee bit, which has a convex curve coming off the bearing, produces the reverse of the ogee (it isn't an upside-down ogee). The curve starts at the top as a concave, and fairs down into a convex curve. Use a handheld or table-mounted router.