850th Anniversary of Moscow - mini sheet overprint

With overprint - "World Philatelic Exhibition "Moscow-97",.
face value - 2*125+4*250+3*300 Russian rubles.
Acknowledged, but not listed by SG.

Country:	Russia
Type:	Postal blocks
Series:	850th Anniversary of Moscow (1st issue)
Nominal:	2,150 ₽
Year:	1995
Material:	coated
Size:	155 x 119 mm
Perforation:	comb 11¾ x 12¼
Mintage:	100,000