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[[Image:GoldSeal.jpg|thumb|left|The mark of ''[[Gold Seal]]'' life-warranty.]]

[[Image:GoldSeal.jpg|thumb|left|The mark of ''[[Gold Seal]]'' life-warranty.]]

The same year was also introduced a warranty for life called ''[[Gold Seal]]'', recognizable by the mark shown in the figure, as a response to the [[Sheaffer]] ''[[White dot]]''. The ''[[Gold Seal]]'' remained in use, with some variation in size, on every model produced by [[Eversharp|Wahl Eversharp]] until the [[Skyline]]. The mark is made by two check signs to form  a "W" that remind the name of the company. It happens sometimes to find pens in which the ''Gold Seal'' presents a hole, this is not considered a flaw because it was the company that carried out the drilling  to mark the lack of guarantee for the models put into liquidation.  

The same year was also introduced a warranty for life called ''[[Gold Seal]]'', recognizable by the mark shown in the figure, as a response to the [[Sheaffer]] ''[[White dot]]''. The ''[[Gold Seal]]'' remained in use, with some variation in size, on every model produced by [[Eversharp|Wahl Eversharp]] until the [[Skyline]]. The mark is made by two check signs to form  a "W" that remind the name of the company. It happens sometimes to find pens in which the ''Gold Seal'' presents a hole, this is not considered a flaw because it was the company that carried out the drilling  to mark the lack of guarantee for the models put into liquidation.

[[File:Wahl-DecoBand-ColorSeries-Capped.jpg|thumb|A [[Deco Band]] series]]

[[File:Wahl-DecoBand-ColorSeries-Capped.jpg|thumb|A [[Deco Band]] series]]

[[Image:InkShutOff.jpg|left|thumb|''[[Ink Shut-off]]'' scheme.]]

[[Image:InkShutOff.jpg|left|thumb|''[[Ink Shut-off]]'' scheme.]]

The ''[[Ink Shut-off]]'', illustrated in the figure, was just another wrong investment: promoted as a mechanism capable to block the flow of the ink form the pen when the pen was closed, to prevent leaks because of pressure changes, (as was the case when travelling by plane, activity that was booming) it was indeed ineffective, so that the company was forced to withdraw it from the market by an order from the Federal Trade Commission.

The ''[[Ink Shut-off]]'', illustrated in the figure, was just another wrong investment: promoted as a mechanism capable to block the flow of the ink form the pen when the pen was closed, to prevent leaks because of pressure changes, (as was the case when travelling by plane, activity that was booming) it was indeed ineffective, so that the company was forced to withdraw it from the market by an order from the Federal Trade Commission.

Around [[1935]],<ref>one appears in this [[:File:1936-12-Wahl-Doric.jpg|french advertisement]] dated December 1936 but in a 1935 catalog showed in [http://www.fountainpennetwork.com/forum/topic/240156-my-1550-eversharp-mystery-pen/ this discussion] a [[plunger filler]] [[Round Doric]] is shown.</ref> following another innovation made by [[Sheaffer]] after [[Vacumatic]] launch, were also introduced new [[Doric]] models with transparent body and new filling system (called ''[[plunger filler]]''), the same filling system was adopted even for some [[Vacuum Model|economic models]], similar to the [[Doric]] but produced in round smooth celluloid. In the late 30's, despite the introduction of other economic models such as [[Pacemaker]] and [[Air-lite]] the [[Wahl Eversharp]] was constantly losing market share.

Around [[1935]],<ref>one appears in this [[:File:1936-12-Wahl-Doric.jpg|french advertisement]] dated December 1936 but in a 1935 catalog showed in [http://www.fountainpennetwork.com/forum/topic/240156-my-1550-eversharp-mystery-pen/ this discussion] a [[plunger filler]] [[Round Doric]] is shown.</ref> following another innovation made by [[Sheaffer]] after [[Vacumatic]] launch, were also introduced new [[Doric]] models with transparent body and new filling system (called ''[[plunger filler]]''), the same filling system was adopted even for some [[Vacuum Model|economic models]], similar to the [[Doric]] but produced in round smooth celluloid. In the late 30's, despite the introduction of other economic models such as [[Pacemaker]] and [[Air-lite]] the [[Wahl Eversharp]] was constantly losing market share.