Chiseled Initials - Sans Serif Font

Under the character set are initials that appear to have the background chiseled away so the initial appears protruding. Under the shift character set the initials appear to be chiseled into the background so the initial appears to be recessed. There are two sets of initials, protruding and recessed, A through Z and 0 through 9 for a total of 72 characters.