This is METAFONT, Version 2.718281 (TeX Live 2012/Debian) (base=mf 2012.11.2)  3 DEC 2012 18:29
**serif.mf
(serif.mf
Letter A [65]
Letter B [66]
Letter C [67]
Letter D [68]
Letter E [69]
Letter F [70]
Letter G [71]
Letter H [72]
Letter a [97] )
Output written on serif.2602gf (9 characters, 39596 bytes).