No Image Lot 34 A Deactivated Webley Mark IV Revolver with Leather Holster. The British army adopted the mark IV 34A Deactivated Webley Mark IV Revolver with Leather Holster. The British army adopted the mark IV Cadmore Auctions Ltd A Deactivated Webley Mark IV Revolver with Leather Holster. The British army adopted the mark IV in October 1899 and because of historical events ... Add to watchlist Live