Prima facie

[…] the nicest young man that ever was, — daintily gloved, patently booted, oilily curled, snowily wristbanded, with a lovely cambric (prima facie) handkerchief bound about his hyacinthine locks and polished hat.

Prima facie this may not read like a true story.

We conclude that the single photon is somehow interacting with itself. And now we have prima facie evidence of the superposition of quantum particles, that they can exist in more than one place at the same time.