How rare are the 1977 Service Packs pieces like 1122-1?

As a piece from the 1977 Service Packs theme, these LEGO Hinges are considered a vintage and specific part for collectors.

What is the piece count for this LEGO set?

This item, Set Number 1122-1, contains exactly 3 pieces.

These hinges are part of the LEGO Service Packs theme.

Name: LEGO Hinges (1122-1)
Brand: LEGO

Service Packs

Service Packs · 1977

Theme · Service PacksPieces · 3Set Number · 1122-1Year · 1977

Used

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New / Sealed

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How rare are the 1977 Service Packs pieces like 1122-1?: As a piece from the 1977 Service Packs theme, these LEGO Hinges are considered a vintage and specific part for collectors.
What is the piece count for this LEGO set?: This item, Set Number 1122-1, contains exactly 3 pieces.
What theme does the LEGO Hinges (1122-1) belong to?: These hinges are part of the LEGO Service Packs theme.