Notice the stamp diagonally across the top that reads "Helton Maganga Chief Administrator."
Possibly "Hilton" or "Heltan."
Helton Maganga was Chief Administrator of the Mombasa Hospital in 2009 when the document was created.
Possibly he might have had the same job 48 years before, but he'd either have had to be very young then or very old now.
Something I've never seen brought up on these threads: there were a lot of diseases in Kenya in 1961, yellow fever, smallpox, malaria, at times and in places cholera and tuberculosis.
If you went there you couldn't get back into the US unless you had your shots and shots weren't recommended for pregnant women.
It was very unlikely that the Obamas or Dunhams would have had the money for an expensive or that they were willing to waste it on taking Barack Sr's new wife back home to meet his old wife or that a pregnant woman would risk her health on a long plane journey, and all the less likely given health concerns once she got there.
Shots, even strong drugs, were not considered a problem for pregnant women in 1961.