Hello Henry, it's a somewhat sensitive question to ask about a definitive value here. It's subjective, desirability is in the eye of the beholder. Some folks here are advanced collectors where grade, special order features and original condition are paramount. Others, like you come here to simply obtain knowledge about what they have. It's easier to give out known factory specifications about your gun than state it's value. New members are welcome here and answering a question about value can be difficult because members don't want to come off as all knowing and want to be respectful.
The PH grade was produced for a limited time and their production numbers are relatively low. It seems longer barrels are in vogue presently. The repaired head is something that hinders desirability greatly. The only way to find out an items true value is to list it on an online auction with the starting bid at one cent. Unless you absolutely need to sell it I wouldn't personally do this. I really enjoy owning and shooting vintage doubles and the pleasure of this enjoyment isn't based on value.
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