1859, Prefilatelic mail, folded envelope from ROUSTSCHOUK Bulgaria to Constantinople, rate 2 Pia. 20 Pa., tied by all arabic blue "AN CANIB-I POSTA-I RUSCUK" (Coles-Walker #58), tiny border toned, fine and scarce (Image)

1849, Prefilatelic Tatar Post Document, from Edirne to Choumen Bulgaria, tied by all arabic blue "AN CANIB-I POSTA-I SHUMNU 260" (Coles-Walker #65), fine and scarce

1856, Prefilatelic mail, folded registered envelope from SOFIA Bulgaria to Constantinople, rate 5 Pia. 20 Pa., tied by all arabic blue "AN CANIB-I POSTA-I SOFYA 259" (Coles-Walker #16), tiny file fold, fine and scarce (Image)

1846, Prefilatelic mail, folded envelope from Tirnova Bulgaria to Constantinople, rate 2 Pia. 10 Pa., tied by all arabic blue "AN CANIB-I POSTA-I TIRNOVA 1262" (Coles-Walker #77), light fold and some crease, fine and scarce (Image)

1859, Prefilatelic mail, folded envelope from WIDDIN Bulgaria to Constantinople, rate 3 Pia. 20 Pa., tied by all arabic blue "AN CANIB-I POSTA-I VIDIN 256" (isf.#1, RR), usual file fold and tiny border toned, fine and scarce (Image)