Nib: Medium 2668 steel
Esterbrook SJ "The classic Double Jewel" Bright Grey Lever-filled
Condition: Pre-owned, there are no major imperfections to note: No chips cracks or engravings or any signs of faults or major surface ware.
The "J" pen, introduced in 1948, is the classic postwar Esterbrook.
The classic double jewel J. These came in three sizes J (full sized), LJ (slender), and SJ (demi) and in the classic six colors.
The earliest double jewel models simply have the "Esterbrook" imprint, whereas most with the Registered symbol (®). J's have double round black jewels with the name on the clip.
*The Osmiroid nibs that interchange with the Esterbrooks are the ones for the Osmiroid "65" fountain pen from the 1960s and 70s