I bought Heidler's awesome code book to help me track down Thiel factory fuzes.
Until then I only knew of drh and hhj coded thiel fuzes.

but does anyone have examples of these other Thiel factory codes?

881
opb
nvl
196
edv
51D
52D

Here is a letter that my pistol collecting association got from Mr. Edwin Thiel, who was the owner during the War when we asked him about the werkschutz pistols we were finding.