How rare is the LEGO 700.B.1-1 piece?

This piece is from the 1950 Supplemental theme and is listed as a single, making it quite rare for collectors.

What is the condition of the window?

The listing specifies the item is a window without glass, indicating its specific state for collectors.

No, this item is listed as a single piece with Set Number 700.B.1-1.

Name: LEGO Single 1 x 4 x 2 Window without Glass (ABB) (700.B.1-1)
Brand: LEGO

Supplemental

Supplemental · 1950

Theme · SupplementalPieces · 1Set Number · 700.B.1-1Year · 1950

Used

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New / Sealed

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How rare is the LEGO 700.B.1-1 piece?: This piece is from the 1950 Supplemental theme and is listed as a single, making it quite rare for collectors.
What is the condition of the window?: The listing specifies the item is a window without glass, indicating its specific state for collectors.
Is this piece part of a larger set?: No, this item is listed as a single piece with Set Number 700.B.1-1.