This is your strongest work. Immediately I knew it was Stallone. One suggestion is maybe his eyes could be more droopy. I'm sure you were faithful to your reference, however Stallone famously has very droopy eyes, so it may be helpful to draw from multiple references to be sure not to miss a key detail that will take your likeness to the next level.
Yeah, his famous sleepy eyes. LOL! Thanks for the tip.
You are free to copy, distribute and transmit this work under the following conditions: