Spencerian Enclosure, black ink on very thin off-white onionskin paper. This enclosure touts the goodness and superiority of Spencerian Pens (dip pen nibs). The fold lines indicate this was once enclosed inside a box of 144 Spencerian Pens. Measures 5 3/8 x 9 inches. No tears or stains, just the fold lines. Very nice! (1 avail)

P1074  Esterbrook Package Enclosure for Fountain Pens in English and Spanish. How to Fill Your Esterbrook Fountain Pen with two illustrations. Camden 1, New Jersey, USA. Not dated. Fold lines from being fit into an Esterbrook box. Very good condition. (1 avail)

Waterman Two Sided Envelope Enclosure, ca. 1920s (?) Full Color on font, amazing illustration of the earth, “In Universal Use Waterman’s Ideal Fountain Pen with globe logo. George Reynolds & Son Booksellers & Stationers Oneonta New York. Back side in black and white shows four different Waterman Pens. Two lever fillers, 1 safety and one eyedropper, all in black chased hard rubber. Price list for the pens and for clips. Measures 3 3/8 x 6.25 inches. Excellent condition. (1 avail)