Here is my first label from Peru. It's an airline issue label from PIA (Peruvian International Airways).
Peruvian International Airways (PIA) was the first international airline from Peru and operated from 1947 to 1949. (wikipwdia)
Year: 1947, Gummed. Günter Mair's catalogue no: - PRU-B-1, imperforated, arrow shape, blocks with
adhesive binding HU, dark violet-blue/red/white, 4****