Coat of Arms of Russian Empire Postal Dep. with Mantle

Fr 1. The center (coat of arms) is upside down.
Fr 2. The cross-shaped letter "Ṫ" in the word "ДВАДЦАṪЬ".
Total circulation of Mi:RU 28 in all varieties: 11,000,000.

Country:	Russian Empire
Type:	Postage stamps
Series:	7th Definitive Issue of Russian Empire
Nominal:	20 k
Year:	1875
Material:	white, chalky, horizontally laid paper
Size:	18.1 x 24.1 mm
Perforation:	frame 14½ x 15