For sale here is an excellent condition 15-inch MacBook Pro from late 2011. It has a 2.4GHz Quad Core Intel i7, but sadly like many before it, the AMD graphics chip has failed, but after some research, I've got it working fine using the DosDude patch to disable it so it now runs solely on the Intel graphics chip and ignores the AMD one. 

It has a speedy 240GB SSD, the DVD drive has been replaced with an extra 500GB hard drive, and there is 12GB of memory. Wi-Fi, Bluetooth and Camera are working fine. This has the optional matte high-res display which looks great with no dead pixels. I've managed to get Mac OS Ventura installed using OCLP along with Office and everything is working fine, but I would suggest not running any software updates. 

I can put High Sierra on if you'd like, which the last official OS this model supported. Battery is showing service and doesn't hold a charge like it used to so could do with replacing at some point, but they're easy to do and there's a guide here:

https://www.ifixit.com/Guide/MacBook+Pro+15-Inch+Unibody+Late+2011+Battery+Replacement/7511

A very nice machine and performs everyday tasks without any issues. It had been sitting around for a few years as I got a new one, but have dug it out, given it a clean internally and got it running very nicely. Come with replacement charger and will ship next working day.