I have seen a couple of these in very old books I’ve owned; they must have made convenient bookmarks – not sure what that says of their sentimental value, but NPR posted an article about them by Linton Weeks. Read it here.
I have seen a couple of these in very old books I’ve owned; they must have made convenient bookmarks – not sure what that says of their sentimental value, but NPR posted an article about them by Linton Weeks. Read it here.