Post-1803(?) Antique Napoleon Era Military Officer's Field 'Necessaire' - I'm not 100% sure on the date, since the page where the picture originated from isn't up anymore. But that's my best guess after asking another pinner who knows the era better than me. :)
Seven Days Battle: Union field hospital in Savage's Station, VA. It was after this battle that Taps was played for the first time, making this summer (2012) the 150th anniversary of this tune. Click the image to read the story of its origin, and the lyrics.