backs of brand "Duratone", d03153r09

standard frame
01C
d03153r191 d03153r191b d03153r191c d03153r277 d03153r277b d03153r327
d03153r188a d03153r188b d03153r188c d03153r188d d03153r328 d03153r329
d03153r330a d03153r330b d03153r333 d03153r350 d03153r352  
variant: d03153r115