about as as slim as finding a nice SX-88 at a landfill.

Hey, whaddya mean?!?

http://www.antiqueradio.org/dumpster.htm

:-)

Phil Nelson
Phil's Old Radios
http://antiqueradio.org/html

P.S. I agree with other responders that the .047 is a fine replacement.
Since the old caps were manufactured to such a wide tolerance, your modern
replacements may be closer to the specified value than most of the
originals!