240.00 Unobtanium ! ! Super rare Swiss 7.5 x 23 revolver ammunition. Delta / Surrey / Langley Apr 23, 2024 - 6:13 PM blackadder I have 5 - 20 round boxes of super rare 7.5 x 23R Swiss revolver ammunition for the 1892 model swiss army revolver. $ 240 per box firm. All 5 boxes are factory with 1 missing the label. All ammunition is in great condition and not corroded at a