Over at COMC there are currently 900 card for Robin listed for sale.
The cheapest card is his 2002 Fleer Greats base card for 39 cents.
And his most expensive cards are still his graded rookie cards, but the next most expensive cards are:
2002 Team Topps Legends Autograph asking price $120.25
And this new comer.
Over on eBay Robin is featured in 10,078 listings. Of those 8,223 are in the cards category.
The highest priced cards over there are also high graded rookie cards, but the first non-rookie card is this beautiful 2015 National Treasures true one of one asking price only $800.
Followed by this great 2012 Prime Cuts Quad auto of the HOF class of 1999. Yours for only $699.99 and $3.99 shipping.
One the low end are tons of card for a dime or less. But the lowest priced card right now is this 2011 Gypsy Queen Great One's insert card currently bid up to just 1 cent with free shipping!