They dont come finished…I know…but how can I get a sticker to put on them that says minimatic on it like the original prop?
Get some sticker paper for your printer and print out the pdf at http://www.hprops.com/
You’ll need the rest sooner or later 
Agreed.
And if you want to seal it, get a roll of clear packaging tape from Office Depot. Just lay it on top and trim the edges.