Montblanc Simplo 2FF safety  red and black ebonite mottled color circa 1920 
14.2cm eyedropper filler (2) original gold montblanc nib 
The cap features a 0.5 cm gold ring stamped "750" (18k) and shows minimal signs of use; the pen has been recently repaired.
.Rare piece the best  color of Montblanc.