No. 20 Masterpiece fountain pen in coral red, gold-plated "papyrus" clip and two cap rings, lever-filler, "Simplo" imprint on barrel, inset white captop star. 117mm. Gold or gold-plated 4810 circle-vent nib, wonderfully flexible. Excellent condition, bright and unblemished, captop star milky white, strong imprints, no brassing. A sensational example, scarcer than the button-filler.
-Wallrafen, Stefan & Jens Rösler. Collectible Stars I: Montblanc 1908-1947. [Cologne: 2014], pp. 90-91. Listed with a scarcity rating of 8 (on a 12-point scale).