Where logo_01.jpg is the source image.
The output image is out.jpg
The text put on is 12345
The font was installed on the system by default and standard TTF which can be found with a basic search FS.
convert logo_01.jpg -fill ‘#0008′ -draw ‘rectangle 5,128,114,145′ -font /usr/share/fonts/bitstream-vera/Vera.ttf -fill white -annotate +10+141 ‘12345′ out.jpg