Art Halstead Card, son of John Phineas, and I think his son, AHC Jr. - A.C.  (a mystery)

Importantly, in 1967 at the Y camp in Estes, I was placed on a horse branded AC.  They told my mom, yes, Art Card.

AB and AC - Estes

AC and AC jr. - Estes
AC and three nieces

AC the Card girls
AC and Janet

AC and Janet

Nell and AC

Nell and AC - Estes