Breadboard 7*9 cm getinaks without tinning

Breadboard printed circuit board on getinax. From the side of the components, the markup was made by the silk-screen method. On the soldering side, the board is covered with a preservative flux that protects the mounting patches from oxidation.
The prototyping board is one-sided without metallization of holes. Thickness - 1.2 mm. Pitch - 2.54mm. Overall dimensions 70x90 mm.