Semplicità by Alessandro Butti (1930). From: Campionario caratteri Nebiolo, ca. 1962
Spurless humanist sans-serifs were all the rage in the early 2000s, but not anymore. If you still really have to use one, try one of these:
Aad, Aad van Dommelen, Font Font / Monotype
Aller Typo, Marc Weymann, Dalton Maag
Barmeno, Hans Reichel, Berthold
Branding, Alfonso García, Daniel Hernández, Luciano Vergara, Latinotype
Beau Sans, Panos Vassiliou, Parachute
Bega, Sabina Chipară, Diana Ovezea, Fontstore/ITF
Co, Bruno Maag, Ron Carpenter, Dalton Maag
Conto, Nils Thomsen, Type Mates
Dax, Hans Reichel, Font Font / Monotype
Daxline, Hans Reichel, Font Font / Monotype
Diodrum, Jérémie Hornus, Clara Jullien, Alisa Nowak, Indian Type Foundry
Etelka, František Štorm, Storm Type Foundry
Generis, Erik Faulhaber, Linotype
Karbon, Kris Sowersby, Klim
Kuro, Jonathan Hill, The Northern Block
Legal, Hellmut Bomm, Linotype
Netto, Daniel Utz, Font Font / Monotype
Phoenica, Ingo Preuss, Preuss Type
Ribera, Jörn Oelsner, URW
Ringo, Łukasz Dziedzic, Typoland
Sari, Hans Reichel, Font Font / Monotype
Signa, Ole Søndergaard, Font Font / Monotype
Oof, I think that’s more than you ever want to use in this century. Better try a less modisch humanist sans of which there are plenty of.