Joe I look at the third sheath and see the same things Rod does but.....this may sound crazy and I have mentioned this before.....a long time ago.....I believe the Heiser Brown Buttons are a different shade than the Johnson Buttons. I haven't done an in depth study as you, Ron and Jack have done but it seems to me that in SOME cases the buttons on Heiser's are a darker brown.....slightly darker. It makes sense to me that a different batch of buttons could have been sent to Johnson. You see that in manufacturing often. The third sheath appears to have the darker buttons.