I sleeve all cards, top load hits & low numbered parallels or expensive rookies such as a bryce harper blue ref. Team bag them and then padded mailer or box them. If using a box I put packing peanuts in the extra space to prevent movement.
Actively taking Consignments, PM for details.
My cards FS/FT - www.sportscardsbuffet.com
Always Trading For Victor Cruz & Carlos Correa