Amana Tool 49200 Carbide Tipped Roman Ogee 5/32 R x 1 Inch D x 5/8 CH x 1/4 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.