|Note_en=Advertising for some [[Parker]] models: [[Parker 61|61]], [[Parker 51|51]], [[Parker 21|21]] and the ''Jotter'' ball pen. Mention also the ''[[Lustraloy]]'' cap. | |Note_en=Advertising for some [[Parker]] models: [[Parker 61|61]], [[Parker 51|51]], [[Parker 21|21]] and the ''Jotter'' ball pen. Mention also the ''[[Lustraloy]]'' cap. |