I am picking up a table top blasting cabinet this week and I will be blasting Lionel LV coal hoppers with walnut shells to repaint for Union RR. I had a friend show me after sanding the lettering on the coal hoppers that the edges of the lettering is below the surface. If someone can tell me what type of fine putty to use and what grit's of sandpaper to get and where I can get them from PLEASE! Thank you in advance for any help and take care! Ken
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