Lego 3001old - M mold (on long side)

I found 4 bricks of this mold:

trans bluish violet (trans and transish): number 7 and 9

trans very light pink shades: number 4 and 11

 

Modern logo, mold pip on the short side, center line inside top surface , no frosted lines, mold number and letter M, Pat. pend.

Done