|Note_en=Also found on: N. 14 (1918-04-07). Advertising for the [[Parker Lucky Curve]] models with prices from n. 20 to n. 28 in different versions and the [[Ivorine]] model. | |Note_en=Also found on: N. 14 (1918-04-07). Advertising for the [[Parker Lucky Curve]] models with prices from n. 20 to n. 28 in different versions and the [[Ivorine]] model. |