I would be very surprised if that gun does not letter as Factory Engraved. It has the small logo on the left side (usually reserved for the "special" guns of that era) and the engraving is very consistent with the guns of the mid 1970s - early 1980s that were sent by the factory to be engraved in Italy. They letter as Factory engraved, as the factory commissioned the engraving and the finished guns left the factory as engraved guns.

Congrats and thanks for sharing that beauty.

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Richard
Engraved S&W fan