A collection of Dutch silver flatware

THE KNIFE AND FORK APPARENTLY UNMARKED, POSSIBLY GRONINGEN, CIRCA 1720-1740, THE LATER BLADE WITH FACTORY MARK 'J. MÖSSINGER GRONINGEN'; THE PAIR OF KNIVES APPARENTLY UNMARKED, POSSIBLY GRONINGEN, FIRST HALF 18TH CENTURY, THE LATER BLADES WITH FACTORY MARK 'A.H. BECKER GRONINGEN'; THE THREE VARIOUS FOLDING KNIVES APPARENTLY UNMARKED, POSSIBLY GRONINGEN, FOURTH QUARTER 18TH CENTURY; THE SALT SPOON WITH THE MARK OF FIRMA VAN GIFFEN, GRONINGEN, CIRCA 1800; THE CONFITURE SPOON WITH THE MARK OF HENDRIK WILLEM VAN GIFFEN, GRONINGEN, AFTER 1795; THE CONFITURE FORK WITH THE MARK OF JAN VAN GIFFEN, GRONINGEN, CIRCA 1781; AND A PAIR OF SCISSORS, MARKS INDISTINCT