Is the LEGO 214.6-1 piece rare?

Yes, this piece belongs to the 1961 Supplemental theme and is a sought-after vintage item.

How many pieces are in this set?

The set 214.6-1 contains a total of 15 pieces.

This specific window piece is from the Supplemental theme.

Name: LEGO 1 x 2 x 2 Window in Frame (214.6-1)
Brand: LEGO

Supplemental

Supplemental · 1961

Theme · SupplementalPieces · 15Set Number · 214.6-1Year · 1961

Used

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New / Sealed

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Is the LEGO 214.6-1 piece rare?: Yes, this piece belongs to the 1961 Supplemental theme and is a sought-after vintage item.
How many pieces are in this set?: The set 214.6-1 contains a total of 15 pieces.
What theme does this LEGO window belong to?: This specific window piece is from the Supplemental theme.