I tried that.....problem is the "custom field" is appended to the end of the line, and not at its location in visual or printed report. Here is what the exported report I got looks like:
Qty # Cd Cost Value Notes
1 1 $0.00 $20,200.00 1st appearance/origin of Daredevil; 1st appearance of Daredevil; 1st appearance of Battling Jack Murdock; 1st appearance of Foggy Nelson; 1st appearance of Karen Page; Death of Battling Jack Murdock; Origin of Daredevil
??</td>
1 1/ACE $0.00 $26.00 Wizard Ace Edition Acetate Cover by J. Scott Campbell; 1st appearance of Daredevil; Origin of Daredevil
SB11</td>
1 10 $0.00 $390.00 1st Appearance of Ani-Men; 1st appearance of Ape-Man I (Gordon Monk Keefer); 1st appearance of Bird-Man I (Henry Hawk); 1st appearance of Cat-Man I (Townshend Horgan); 1st appearance of Frog-Man I (Francois LeBlanc)
Mark01</td>
1 12 $0.00 $125.00 2nd Appearance of Ka-Zar
SB70</td>
1 12 $0.00 $125.00 2nd Appearance of Ka-Zar
Mark01</td>
1 13 $0.00 $185.00 1st appearance of Anti-metal; Origin of Ka-Zar
SB70</td>
1 13 $0.00 $185.00 1st appearance of Anti-metal; Origin of Ka-Zar
Mark01</td>
1 14 $0.00 $114.00
Mark01</td>
1 17 $0.00 $195.00
LB14</td>
1 18 $0.00 $110.00 1st Appearance of Gladiator I (Melvin Potter); Origin of Gladiator I (Melvin Potter)
Mark01</td>
1 19 $0.00 $83.00
SB72</td>
1 21 $0.00 $74.00 Versus Owl
Mark01</td>
1 23 $0.00 $69.00
Mark01</td>
1 25 $0.00 $84.00 1st Appearance of Leap-Frog (Vincent Patilio); Origin of Leap-Frog (Vincent Patilio); Versus Leap-Frog