Files > 50M older than 4 years
find /somedir -type f -size +50000k -mtime +1095 -exec ls -lh {} \; | awk '{ print $6 "/" $8 " " $9 $10 $11 ": " $5 }'
find /somedir -type f -size +50000k -mtime +1095 -exec ls -lh {} \; | awk '{ print $6 "/" $8 " " $9 $10 $11 ": " $5 }'