Pretty cool. I've never lusted over Bob Jacksons (though my brother's was a very nice; sadly too small for either of us. But getting near custom frame with my initials pantographed on the seatstay caps - for free! Now passing on that is tough! And it looks like the cap is a plug. Good, It won't pull the Trek crack across the lettering the pre '85 or so Treks were famous for. (BTDT. I have a "T EK" in my collection, the "R" being filled with braze.)
Ben J (not kidding)