I'm assuming you're more interested in the swith knobs than the actual switch. You might cruise thru E Bay (try switch knob for the search).

I found a small outfit that does metal flake tear drops for my 37 that I'm pretty happy with.

http://www.ms-metal.net/Accessories_Shifter_Teardrop.htm

1957 Plymouth (Hemi, Dual Quads, A833 4 Speed 9 1/4 w 4.10) Sold
1937 Dodge Pickup (Hemi, 6X2 intake, 46RH, Dana 60 w 4.56) Sold
1968 Plymouth Valiant 2dr sedan (354 HEMI, 46RH w/4.30 gears)