1 – No Logo

My (temporary) mold version number: 1

First version of the LEGO 2×4 brick, based on Kiddicraft by Hilary Page.

Logo: No logo, no identification marks.
Material: Cellulose acetate (CA).
Slot positions: bslot04 (single slot on the short side) and bslot04a (two slots on opposite short sides).
Inner ribs: On the long side.
Mold numbers: No mold numbers.
Remarkable features: Inner corners rounded.
Colors known: Many colors in many shades, including marbled. White, Red, Yellow and Green seem to be most common.

Unanswered Questions

  • It is still unknown if these bricks originated in one single mold, or multiple similar unmarked molds.

[Original post and comments on Flickr]

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