How rare is the 1969 LEGO 139-1 part?

As a 1969 piece from the 4.5V theme, this unit is considered a rare find for collectors.

What is the piece count for the 139-1?

The LEGO Electronic Control Unit 139-1 consists of 9 pieces.

This specific unit operates on a 4.5V power source.

Name: LEGO Electronic Control Unit (Forward/Backward - Stop) (139-1)
Brand: LEGO

4.5V

4.5V · 1969

Theme · 4.5VPieces · 9Set Number · 139-1Year · 1969

Used

—

New / Sealed

—

Live on eBay now

Converted from USD at the ECB reference rate — sold comps are US-market sales.

JunkPal AI· resale insightanalyzing sold comps…

▍

How rare is the 1969 LEGO 139-1 part?: As a 1969 piece from the 4.5V theme, this unit is considered a rare find for collectors.
What is the piece count for the 139-1?: The LEGO Electronic Control Unit 139-1 consists of 9 pieces.
What is the voltage rating of this control unit?: This specific unit operates on a 4.5V power source.