See! Save! Celebrate! Detail 30

The month of May is almost over, and so is Gossips' observance of National Preservation Month. After tomorrow, you will have the weekend to finish your search for architectural details. Submit your answers electronically to this email address by midnight Sunday, June 2. On Monday, June 3, Gossips will reveal the locations of all of the details and the names of readers who identified them all correctly. That being said, here is the penultimate detail.