there are several that I think would be highly desirable.
'51 Bowman Mantle
'51 Bowman Mays
'54 Topps Aaron
'54 Topps Banks
'55 Topps Koufax
'55 Topps Clemente
those would be a few off the top of my head...
Looking for 2013 Silver Pandas, Eagles, Maples and 2014 Kookaburras. Also interested in 10 oz silver bars, especially PAMP bars. When I have money to spend on them of course