Retail Head YT PM retail vs Head Pro Stock 237.3

imaduckie

New User
Hello everyone, I've been playing tennis for awhile and finally found out that there are "Pro Stock" racquets. I use to play with a Retail Head YT Prestige Mid back in 2012 and sold it because i was developing TE but I miss it dearly. I found an okay Head Pro Stock 237.3 for sale for $130 and was wondering what was the difference between the two?
i.e.
Mold that was used?
RA?
Weight?
Handle?
Signs to show if its a genuine Pro Stock?
 
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