Here is a 2010 Roger Skipper (www.skipperstrings.com) F5 mandolin custom built for yours truly. Radiused fretboard. Fern inlay, floating pick guard. Spruce top. Maple back and sides, ebony fretboard and pickguard. Rectangular case. Did not play it much. Frets are great, very little, if any wear and tear on this instrument. Sounds and plays fantastically. Arthritis and covid recession force sale. $3500 plus shipping. in US from Washington state. Thanks for looking more pics on request.