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NIB
bi-color 14C
no production of 146s
bi-color 14C
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monocolor yellowgold14K
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bi-color 14K
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FEED
flat ebonite (ski slope)
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round ebonite groove face and shank
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round ebonite groove face
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split ebontite
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early plastic (with "bridge")
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plastic (no "hole")
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plastic (with a "hole")
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INK
WINDOW
yellow (was clear), stripes
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light blue, solid
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gray, solid
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clear, stripes
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BARREL
MATERIAL
celluloid
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precious resin
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BARREL
CONSTRUCTION
one piece barrel
one piece barrel
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two pieces barrel
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GRIP
& COLLAR
curved grip without collar
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straight grip without collar
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straight grip with bulge-collar
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straight grip with trumpet-collar
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NIB
HOLES
left & right of nib
left & right of nib
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top & bottom of nib
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PISTON
telescoping
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black plastic
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brass
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PISTON
MECHANISM
solid
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shaped down
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CLIP
ENGRAVINGS
W.-Germany
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Serial Number on right side
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Germany on left side
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Pix under clip
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"Made in Germany" & "Metal" under clip
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Serial Number on back side
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CLIP
STYLE
modern clip
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clip slightly curved
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clip flat
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BAND
ENGRAVINGS
Masterpiece (f. Export)
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Meisterstück 146
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Meisterstück
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Meisterstück Pix
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END
RING
rounded and convex
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smooth band
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SIZE
CLOSED
134 mm
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142 mm
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146 mm
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PLATINUM TRIM
platinum
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BURGUNDY (146R)?
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06/2018

All informations is without guarantee!
Research done to the best of my knowledge.

If you find any mistake or have new information:
twitter.com/neugeekig
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To come next: weight; distance between rings aroung band
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LAST UPDATE:
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