Technical Any shops still cutting white walls???

Looking for a shop that cuts white walls preferably near St Louis. I've got an odd size on my 57 chevy pickup and I have Goodyear tires white letter (running black walls out now) but was kicking around having mine cut and running white walls. I've watched the diy videos online looked at coker and diamondback and want a shop that knows what they're doing not me with a grinder attempting on brand new tires or buying new.haha any help would be appreciated.

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