She sent this as a gift to none other than U.S. senator Daniel Webster. It's a miniature painting, measuring around 2x3 inches, which was popular at the time. Pretty useless for display, but handy for, say, keeping it hidden from your wife. Webster and Goodridge insisted they were only close friends, and historians have found no evidence they were doing the wild thing. Except, of course, for exhibit Double D.
Naturally, when cameras came along, sexting became a lot easier. The media already knew about the trend as early as 1860, warning ladies against the improper behavior of "giving daguerreotypes of themselves to young men who are merely acquaintances."
And during the early 1900s, it was common for women to send racy pictures of themselves to their husbands on the battlefield to show them what was waiting at home (a very blurry half-dressed woman). There are plenty of attics everywhere that might contain such saucy pictures in a dusty box, claims English Professor Joshua Adair -- a fact that he likes to illustrate to his horrified students by showing them a photo he found of his pantsless grandmother.