Originally Posted by
RobJohnson
I had a 58 that was bought from the original purchaser and hardly used, I changed the sac but the pen was a beggar to undo. It took a lot of effort and repeated attempts at heating and twisting. The pen had never been apart and the sac was the original light brown with Conway Stewart in script along it.
The pen went back together only with the greatest difficulty, Marco might have the same problem on reassembly, I would do a trial fit first of all to establish whether shellac is needed, possibly not.
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