GBD 9438 Prehistoric Restoration

I love the GBD 9438 shape and have this model in several finished.  This Prehistoric finish pipe was found on Ebay.  I thought this was going to be a simple buff and clean, but the pipes took a little more effort due to a self-inflicted stem issue, or an issue that was hidden by the oxidation.

Some “Before” shots of the pipe:

GBD_9438_Prehistoric_Before GBD_9438_Prehistoric_Before (3) GBD_9438_Prehistoric_Before (2)

I cleaned the bowl with my new retort, which worked well and really scoured the bowl.  This was the first time I’ve used a retort.  I cleaned the tars off the bowl rim which revealed a nicely polished rim edge that I love on Prehistoric grade GBD’s.  The rest of the bowl was buffed lightly with tripoli, white diamond and then several coats of carnuba wax.

While I worked in the bowl, the stem was soaked in a mild Oxy-clean solution (the brass GBD rondell was covered with some grease).  I removed the outer layer of oxidation with 1500 and then 2000 grit paper.  There were several light tooth indention’s on the top of the stem and they popped out nicely with some heat.  The nicks/cuts on the middle of the stem (handling?)took some effort with 800 grit paper but came out as well.  After the 2000 grit paper, I used 8000 and then 12000 grades of micromesh.  The stem was then polished on the buffer with white diamond and then plastic polish.

GBD_9438_Prehistoric_Finished (1)

When I went to photograph what I thought was the finished pipe, I was disappointed to see a crack on the underside of the stem, near and through the button.  I’m not sure if the heat used to remove the teeth marks or retort caused this issue but I’m 99% sure it wasn’t there when I started. To fix that, I greased a cleaner, inserting into the stem.  I then dribbled some superglue down into the crack.  When it was dry, I sanded it smooth with 800 then 1500 and 2000 grade paper, then the micromesh and buffing wheel.  The crack looks and feels solid now and I don’t think it will cause me any issues.



GBD_9438_Prehistoric_Finished (6)

GBD_9438_Prehistoric_Finished (4)

Crack Repair (with some hair/fuzz…):

GBD_9438_Prehistoric_Finished (5)


2 thoughts on “GBD 9438 Prehistoric Restoration

  1. upshallfan Post author

    That was my first time using a retort, so I’m also curious. I hope the hot alcohol in the stem from the retort didn’t contribute to the stem cracking. That is the first time that has happened to me with a stem and perhaps not coincidentally the first use of a retort. I will probably save the retort for acrylic stems only just to be sure. This one gets smoked tomorrow morning, so I’ll report back.

  2. Terry Swope

    First Let Me Say,I Love This Shape,Please Post How Your First Smoke Is In This Pipe,After Using The Retort System,I See That It Cleaned The Bowl Extremely Well,I Am Wondering About Ghost After Using The Retort ???.


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