How rare are the 747-1 baseplates?

As a 1978 Supplemental set with only 2 pieces, these baseplates are considered a specific and relatively rare find for collectors.

What is the condition of the 747-1 set?

The provided facts do not specify the condition, but they are listed as a 1978 item.

The LEGO Baseplates (747-1) belong to the Supplemental theme.

Name: LEGO Baseplates, Red and Blue (747-1)
Brand: LEGO

Supplemental

Supplemental · 1978

Theme · SupplementalPieces · 2Set Number · 747-1Year · 1978

Used

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New / Sealed

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How rare are the 747-1 baseplates?: As a 1978 Supplemental set with only 2 pieces, these baseplates are considered a specific and relatively rare find for collectors.
What is the condition of the 747-1 set?: The provided facts do not specify the condition, but they are listed as a 1978 item.
What theme does the 747-1 set belong to?: The LEGO Baseplates (747-1) belong to the Supplemental theme.