Rooftops tumble down a hillside in saturated chrome color — terracotta tiles, white stucco walls, and a riot of bougainvillea in crimson and gold frame the iconic twin towers of Santa Prisca church rising against a cobalt sky over Taxco, Guerrero, one of Mexico's best-preserved colonial silver towns. Mailed in 1963 from Marcolor, Wisconsin, this well-traveled card carries a densely written message in blue ballpoint from a traveler clearly enchanted by the place — references to beautiful scenery, charming streets, and the town's legendary light pour across both the message and address sides. The recipient, Mary, received it at General Delivery in Ransomville, New York, a detail that speaks to the transient, seasonal lifestyle common among mid-century travelers and snowbirds.