I was browsing gunbroker as i do almost every weekend and saw this double rifle for sale that caught my eye. Listing says unknown caliber but also says its marked 8.9x72 which upon a little research i did probably means its a 9.3x72. Some portions of the rifle seem to be in better shape than others but a few photos in particular worried me, especially the photo of the barrels opened as there seems to be some corrosion around the chambers/face of he chambers. I understand its an old rifle but i guess im just wondering at what point is it too far gone at least economically? The price is low enough im considering bidding on it but figured id get some opinions, as again, some things stick out as a worry.