Vintage fountain pens combine mechanical condition, material stability, historical variation and collector demand. Document first, identify second, and intervene only when construction is understood.
1. Diffuse light
Diffuse light should be evaluated in context rather than as a single yes-or-no feature. Record what you can observe, distinguish confirmed facts from assumptions, and avoid operating an unfamiliar mechanism merely to test it.
2. Neutral background
Neutral background should be evaluated in context rather than as a single yes-or-no feature. Record what you can observe, distinguish confirmed facts from assumptions, and avoid operating an unfamiliar mechanism merely to test it.
3. Imprint close-up
Imprint close-up should be evaluated in context rather than as a single yes-or-no feature. Record what you can observe, distinguish confirmed facts from assumptions, and avoid operating an unfamiliar mechanism merely to test it.
4. Nib top and underside
Nib top and underside should be evaluated in context rather than as a single yes-or-no feature. Record what you can observe, distinguish confirmed facts from assumptions, and avoid operating an unfamiliar mechanism merely to test it.
5. Filling system
Filling system should be evaluated in context rather than as a single yes-or-no feature. Record what you can observe, distinguish confirmed facts from assumptions, and avoid operating an unfamiliar mechanism merely to test it.
6. Damage and personalization
Damage and personalization should be evaluated in context rather than as a single yes-or-no feature. Record what you can observe, distinguish confirmed facts from assumptions, and avoid operating an unfamiliar mechanism merely to test it.
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