Unfortunately that's a known issue with how Valve was treating the new items. It should be resolved for new matches but there's no way to go back and update the old ones that were played while the bug was in effect.
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General DiscussionNew items not showing up
http://www.dotabuff.com/matches/2007572257
It was supposed to be a Dragon Lance but somehow it was another Blink Dagger shown.
btw: ho ho ha ha