Pagsanjan Falls stamp
... that due to an error, the Pagsanjan Falls stamp , one of a series supposedly showcasing places of interest in the Philippines, actually shows a waterfall in California?
... that due to an <a href="./Postage_stamp_design_error" id="mwEyo" rel="mw:WikiLink" title="Postage stamp design error">error</a>, the <b id="mwEys"><a class="mw-redirect" href="./Pagsanjan_Falls_stamp_error" id="mwEyw" rel="mw:WikiLink" title="Pagsanjan Falls stamp error">Pagsanjan Falls stamp</a></b> <i id="mwEy0">(pictured)</i>, one of a series supposedly showcasing places of interest in the <a href="./Philippines" id="mwEy4" rel="mw:WikiLink" title="Philippines">Philippines</a>, actually shows a <a href="./Waterfall" id="mwEy8" rel="mw:WikiLink" title="Waterfall">waterfall</a> in <a href="./California" id="mwEzA" rel="mw:WikiLink" title="California">California</a>?