Hi,
Here are some FW 190 A-1s from Jagdgeschwader 26 which I have seen photographs of. However, none of these wear the markings seen in your photograph (which, by the way, features an FW 190 A-1).
Code , Unit , Photograph Source/s
'Black < + ' , Stab J.G. 26 , Rodeike, p.41; Kagero Vol. I, p.39; Dressel Griehl, Fighters of the Luftwaffe, p.65; WAIF 355, Sheet 03, colour profile; Die Großen Luftschlachten des Zweiten Weltkriegs, colour artwork
'Black <- + -' , Stab J.G. 26 , eBay photo
'Black << + -' , Stab II./J.G. 26 , Rodeike, p.39
'White 8 + -' , 4./J.G. 26 , Frappe Lorant, pp.44, 45
'White 11 + -' , 4./J.G. 26 , Flugzeug Archiv Band 7, p.39
'White 14 + -' , 4./J.G. 26 , Caldwell, Vol. I, p.255
'White 16 + -' , 4./J.G. 26 , eBbay photos
'Black 4 + -' , 5./J.G. 26 , eBay photos
'Black 5 + -' , 5./J.G. 26 , Rodeike, p.51; Barbas, Planes of the Lw Fighter Aces Vol. 1, p.88
'Black 10 + -' , 5./J.G. 26 , Rodeike, p.42; Barbas, Planes of the Lw Fighter Aces Vol. 1, p.88; Frappe Lorant, p.46
'Black 11 + -' , 5./J.G. 26 , Rodeike, p.51; eBbay photos
'Black 13 + -' , 5./J.G. 26 , Rodeike, pp.44-45; Caldwell, Vol. I, p.192; Caldwell, Photo History, pp.58, 59; Frappe Lorant, p.44; Holding the West, p.12; Smith Creek, FW 190, pp.86-89
'Brown 1 + -' , 6./J.G. 26 , Rodeike, p.50; Filley, pp.10, 11; Frappe Lorant, p.49; Caldwell, Photo History, pp.57, 58; Ries/Obermaier, Rudder Markings, p.130
'Brown 2 + -' , 6./J.G. 26 , eBay photos
'Brown 3 + -' , 6./J.G. 26 , Rodeike, p.35; Caldwell, Photo History, p.60
'Brown 4 + -' , 6./J.G. 26 , Rodeike, p.49; Holding the West, p.11; Smith Creek, p.110
'Brown 5 + -' , 6./J.G. 26 , eBay photos
'Brown 6 + -' , 6./J.G. 26 , Caldwell, Vol. I, p.181; eBay photos
'Brown 9 + -' , 6./J.G. 26 , eBay photo
'Brown 11 + -' , 6./J.G. 26 , eBay photos
'Brown 12 + -' , 6./J.G. 26 , eBay photos
'Brown 13 + -' , 6./J.G. 26, Rodeike, pp.46, 47, 53; Jessen, Butcher Bird, p.21; Filley, pp.9, 11; Holding the West, p.18; Caldwell, Photo History, p.57
'Brown 13 + -' , 6./J.G. 26 , Caldwell, Vol. I, p.218; Rodeike, p.53; Holding the West, p.18; Smith Creek, p.104
'Brown 14 + -' , 6./J.G. 26 , eBay photo
'Brown 15 + -' , 6./J.G. 26 , eBay photos
'Black 2 + I' , 8./J.G. 26 , Caldwell, Photo History, p.85
'Black 12 + I' , 8./J.G. 26 , Rodeike, pp.54, 84; eBay photo
'Yellow 11 + I' , 9./J.G. 26 , eBay photos
Cheers,
Andrew A.