This item has been denounced in Russian Federation 2000 UPU Circular 214 and 2002 UPU Circular 15 as illegally produced without the authorization of the postal administration. They have no postal validity.
Overprint on Mi:SU 4633/Sg:SU 4586
Offset printing: Lower part of the airplane completely white without shading along the outline. Image background in lozenges, text background solid.