This is a used midrange from a Bang & Olufsen 6503 speakers.   Part number on the back is LPT 130/25/120 FG.  I have 4 of them available at the time of the listing.   Each buy it now is for 1 midrange.   Being used, they may have minor marks and could use a little cleaning.   These measure between 7.4 and 7.6 ohms.  Picture of the model number is not included, just used to show what model these came from.