How rare is the 1957 LEGO Sloping Ridge and Valley Bricks set?

As a 1957 Supplemental set (283-2), these bricks are considered vintage and relatively rare in the collecting community.

What is the piece count for set 283-2?

Set number 283-2 contains a total of 20 pieces.

This specific brick set falls under the Supplemental theme.

Name: LEGO Sloping Ridge and Valley Bricks, Blue (283-2)
Brand: LEGO

Supplemental

Supplemental · 1957

Theme · SupplementalPieces · 20Set Number · 283-2Year · 1957

Used

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New / Sealed

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How rare is the 1957 LEGO Sloping Ridge and Valley Bricks set?: As a 1957 Supplemental set (283-2), these bricks are considered vintage and relatively rare in the collecting community.
What is the piece count for set 283-2?: Set number 283-2 contains a total of 20 pieces.
What theme does this brick set belong to?: This specific brick set falls under the Supplemental theme.