1885 (September 17), 5pa lilac, perf 11.5, overprint Type I in blue, and 5pa lilac, perf 13.5, overprint Type III, paying the 10pa inland postcard rate, each tied to postal stationery card by green Tirnovo Seimen c.d.s., reverse with next-day Sliven c.d.s. arrival backstamp, a fine and scarce mixed franking.
