A few photographs of Tupolev SB pieces held at
Ilmatorjuntamuseo ("Anti-Aircraft Museum") at Tuusula, Finland. Their current exhibition also contains the MiG-3, the P-39Q and an elevator from I-16. The Tupolev belonged to 35 SBAP and shot down over Helsinki on 1 December 1939. The photographs were taken with bounced flash and were corrected for the white balance. However, the colour might not be exactly correct due to the lack of colour calibration device and reflections from the glass and the dust.
Historical photograph of the tail of the same plane is from sa-kuva.fi (N:o 1534).