Transcription: San Francisco Cal April 20th 1907. To Whom it May Concern. The bearer O. N. Freeman has been employed at this post (Presidio of San Francisco) as Brick Mason for about 5 months and I wish to say that he is an A [?] Mechanic Reliable and a strictly temperate man who I would employ in Preference to nine tenths of the Mecahnics who have worked here under my charge. Respectfully, J. K. Dalmas, Master Mechanic, Presidio, S. Fre.