http://www.walterborg.se/auktion/

256. KOMBI, Svenskt, svs med hanar, fabrikat: Husqvarna, modell 52c, kal. 16/9,3x57R, vapen ID: 0938011, tillvnr. 116381, piplängd 73cm, förlängd spång med kryssbult, klaffsikte, flamhärdad baskyl, nätskuren kolv med kindstöd, hornbakkappa, rembyglar. mindre rostfläckar i hagelpipan, mindre trä och blåneringsskador i övrigt Mycket gott skick.
Utropspris: 1000 - 1500 SEK

"Combo, Made in Sweden, side by side with hammers, maker Husqvarna, mod. 52c, cal. 16/9,3x57R/360, ID number: 0938011, serial number 116381, barrel lenght 73 cm, greener type lenghtened rib with cross bolt, flip up open rear sight, action color case hardened, stock with checkerings and cheek piece, horn butt plate, sling mouts. Shot barrel has some small rust spots, small flemishes in stock wood and bluing. Overviewed condition very good.
Estimated price 154 - 230 US$ + fees"

257. KOMBI, Svenskt, svs med hanar, fabrikat: Husqvarna, modell 52C, kal. 16/8,2x57 (9,3x57R), vapen ID: 1621015, tillvnr. 109450, piplängd 72cm, klaffsikte, stålfärgad baskyl med hanar, nätskuren kolv med pistolgrepp kindstöd, hornbakkappa, rembyglar, nötskruv till vänster hane saknas i övrigt Gott skick.
Utropspris: 500 - 1000 SEK

"Combo, Made in Sweden, side by side with hammers, maker Husqvarna, mod. 52c, cal. 16/8,2x57 (9,3x57R/360), ID number: 1621015, serial number 109450, barrel lenght 72 cm, flip up open rear sight, action with hammers color case hardened, stock with checkerings and cheek piece, horn butt plate, sling mouts. Screw from left hammer missing. Overviewed condition very good.
Estimated price 77 - 154 US$ + fees"

I just noticed that in http://www.skydevaaben.com/husqvarna/model52a/info.xml says as follows:

"The Model 52A, 52B and 52C are all side-by-side capeguns based on the Model 52 shotgun. The difference between these models is mainly the calibres. The shotgun barrel were frequently straight rifled."