How can cost painting by an amateur?

[Hamza]

How can cost painting by a famous person.
But the artist he neprofesionalny. In life the author had his paintings did not sell, did not participate in the exhibitions.
The authenticity of authorship confirmed.

1) Batir Karimovich Zakirov, (1936-1985 GG)
Still Life (Without the author's name),
1982
canvas, oil,
36h48 see
On the front side in the bottom right corner of the signature - "BR 82" - stylized initials and year of writing.

2) Batir Karimovich Zakirov (1936-1986 GG)
Landscape (without the author's name)
year writing it,
oil on cardboard, 20x30 cm
Pasted on a cardboard sheet 27h35 see
On the front side of the picture in the bottom right corner of the signature of the author - BR stylized initials, year of writing is not marked.

Photographic pictures posted on the website www.artsdt.ru hall Batyr Zakirov. www.artsdt.ru
Hamza