Looks like a beef shoulder to me. I cook mine for pulled beef ~ never tried cooking it like a roast ~ good luck!
Super fast Purple Thermapen
Custom Reverse Flow 55 Gallon Drum Offset
Weber SS Performer date code EE
Weber 18 and 22.5 OTS Kettle w/Marty's handles
Smokey Joe Silver w/wooden handle a.k.a. Mini Me
Weber Smokey Joe Platinum date code ER
Sipsey: Secret's in the sauce.