It&#x27;s very unlikely to have been socially accepted, or why would it have been newsworthy at the time? <a href="http:&#x2F;&#x2F;www.snopes.com&#x2F;photos&#x2F;people&#x2F;mailingchildren.asp" rel="nofollow">http:&#x2F;&#x2F;www.snopes.com&#x2F;photos&#x2F;people&#x2F;mailingchildren.asp</a>