Similar to Optima, Charlotte Sans

The tapering of the bowl on the P is probably the most distinctive part:

Comments

it must be [[http://www.myfonts.com/fonts/wiescherdesign/cimiez/|Cimiez]]
by Gert Wiescher, 2004 - www.wiescher-design.de

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I found it using Find my Font - http://www.findmyfont.com

Perfect! Thank you.