Restored key date Buffalos can bring a good premium on
ebay IF (and that IF is huge) they were carefully processed. Restored dates will bring no where near
RedBook or Graysheet values, however. There are members on the CCF that do excellent work and you can see their listings, and results, on
ebay. Each one on has their own way of doing things that make the coin look more marketable. The best dates that seem to do well are the 18/17 and the 13-S t2.
Most dealers will only buy these acid dated coins at a cent or two above face once they've been restored. To the dealer they are worth more unrestored. Wholesale value for clean, undamaged no dates is anywhere from 11 to 14 cents each.