It's old as heck but still kicking! Mid 2009 MacBook Pro (MacBook Pro 5,5) I'm hoping to use opencore legacy patcher to install Monterey on it. : r/ macbookpro
Amazon.com: RUBAN Case Compatible with MacBook Pro 13 inch 2012 2011 2010 2009 Release A1278, Plastic Hard Case Shell and Keyboard Cover for Older Version MacBook Pro 13 Inch with CD-ROM - Wine Red : Electronics
apple-history.com / MacBook Pro (17-inch, Mid 2009)