They are from the original Vela bridge design. I took that photo at the NAMM show when the Vela was unveiled.
The Vela shown in that photo was displayed inside the private sales area of the PRS booth and I was invited inside to take a look. I stood in line behind several other folks who were 'oooh'ing and ahhh'ing' whilst taking numerous photographs. I didn't notice the 8.5 x 11 piece of paper on the wall (or the small print upon it) that prohibited photos of the Vela. I sure as hell noticed the next day.
By the time I got around to posting my daily NAMM photos (which I did every year for those who enjoyed seeing the new gear), numerous photos of that Vela were already online; to include PRS dealer FaceBook pages. I thought nothing of posting my photos and was excited to share the new PRS with die-hard fans (like me). Needless to say, a storm was brewing as I slept that night.
I awoke the next day to a voicemail from Jack Higginbotham, COO of PRS Guitars. My photo (shown above), amongst the many photos that were taken, got the attention of John Woodland (Mastery Bridges). I guess someone reposted my photo on TGP and it was passed to Woodland from there. While other photos posted online clearly showed the Vela, it was the detailed photo I took of the bridge that started the fire. The Mastery folks felt as though the Vela saddle design was too close to theirs. Naturally, I took down my photo and rushed back into the NAMM show to speak with Paul. Let the record show that Jack was quite friendly about it when I returned his phone call.
When I got back to the PRS booth inside the NAMM show, I pulled Paul Smith and Jim Cullen aside to discuss. Paul understood the nuances that created the situation and graciously accepted my apology. That isn't to say he was okay with it. Clearly it was not a happy situation. But he understood how everything unfolded and took it (paraphrasing his words) as a valuable business lesson. Jim Cullen, on the other hand, blamed me (to my face) for "busting [his] product release". I felt just awful about the whole situation and left with a heavy heart.
It is fair to say that this was the moment I realized there is little value in being an industry 'insider'. I haven't been to a NAMM show since then. I've mostly avoided using contacts and back-channels to get my guitars upgraded or repaired. There is no doubt I am a happier person for it. You want to stay a happy PRS owner/player? My advise to you is to be a run-of-the-mill, every day, customer. If you ever get invited to 'the inner circle', talk as little as possible, remember that you are a customer and not the official spokesperson of official PRS forum (even if you're the moderator), leave before you are asked to move along, and for the love of god... do NOT post detailed photos of new products online.
In the end, the Vela bridge design was altered; presumably to avoid further comparison (or complications that may arise from that comparison) with the Mastery bridge design.