Of the inscription on the neck, Citared is an abreviation of Citardus which appears to denote either a cittern player or a cittern maker in sixteenth-century Italy. Of the Franciscus nothing further appears to be recorded and the Urb. is an abbreviation of Urbino.
For a comparative example, see A. Baines, ed., Victoria and Albert Museum Catalogue of Musical Instruments, 2nd edn., London, 1978, II, pp. 44-5, fig. 64, illustrated.