The Solitaire Sterling Barleycorn line was introduced at Pentecost 1992 with the New Dimensions event in Berlin and discontinued in mid-1998 because it came too close to the 75th Anniversary Edition appearing in 1999. Genuine pieces carry the 925 hallmark, a finely ribbed fine-grain guilloché and, since about 1997, individual clip-ring numbers; the model number for the ballpoint is 1646. The black case with red-marbled paper outer wrap was used between 1992 and 1995/96. For care a silver-cleaning cloth or an ultrasonic bath with cleaning tablets is recommended; polishes with abrasive bodies like Wenol Montblanc itself rates critically because they wear off too much silver.