|Note_en=Published also on: N. 16 (1920-04-18), N. 20 (1920-06-16), N. 25 (1920-06-20), N. 28 (1920-07-11), N. 35 (1920-08-29), N. 39 (1920-09-26), N. 44 (1920-10-31). Advertising for a [[Waterman 5x]]. | |Note_en=Published also on: N. 16 (1920-04-18), N. 20 (1920-06-16), N. 25 (1920-06-20), N. 28 (1920-07-11), N. 35 (1920-08-29), N. 39 (1920-09-26), N. 44 (1920-10-31). Advertising for a [[Waterman 5x]]. |