[email protected] said
Have you ever run across a 16 gauge with Black Diamond wood?

  

Yes I have, but they are very few & far between.  Winchester did manufacture a small number of 16-ga Black Diamond Trap guns.  Thus far, I have (14) of them documented in my research survey. Additionally, I have (2) Pigeon grade 16-ga Model 1897 shotgun in the survey.

Per my research survey, the 16-ga guns account for 13.48% of the total Model 1897/97 production.  If that is an accurate production ratio, that indicates that 133,500 of the 990,521 Model 1897s that were manufactured were 16-ga guns.  The vast majority of them were standard Field grade guns, and most of them with the short 2-9/16″ chamber.

Bert