[Leica] D'oh! Opened M3 with film inside!

[Peter Cheyne]

Hi LUGers,

Opened up my M3 thinking there was no film in it. Wrong! It is at frame
number 13. I took the bottom fully off but did not open the gate. It was
indoors under medium LED ceiling lighting for a few seconds.

Roughly how many frames will be ruined? Would you keep using it?

Dunno what's on the earlier frames, likely nice family photos from 3 years
ago or so.

All best,

Peter