1) Parker 61 Filling instructions for Pkr 45, Touche, Parker 51 aerometric and Parker 51, also info on Jotter BPs and Writefine Pencils.2) Roaring 20s, Big Red Writes Again Filling instructions and Guarantee and Owner Survey. 3) Parker 1916 invoice for 24 pks of new gold #4 pens, total $1.25 Handwritten note on backside that it was paid by check March 17, 1916. 4) Parker advertisement 2.5 x 6 inches on 6x10 Munsey’s Magazine featuring Parker Lucky Curve (1 set avail)