This is the logo for the 1946 European Athletics Championships.
European Athletics Championships
1946
The logo is cut out of page 2 of newsletter_26_June_2010.pdf using okular.  The source PDF is archived from  <a rel="nofollow" class="external free" href="http://www.bcn2010.org/files/223-114-archivo/newsletter_26_June_2010.pdf">http://www.bcn2010.org/files/223-114-archivo/newsletter_26_June_2010.pdf</a> (dead link).