Here is a good source to understand the details of all the Conlon cards.
All lists below are want lists.

1983 Marketcom Conlon Set Prototypes (5 cards) - need the complete set

1983 TSN 50th Anniv. 1933 All Star Game (60 cards, 4.5x6 inches) - need the complete set

1984 Marketcom Postcards (2 sets x 32 cards) - need the complete set

1988 World Wide Sports Series 4
Error card: Thorpe is pictured on the front, and Charles Rehm's statistics are printed on the back.

1991 Conlon ("Hall of Fame" written out on front)
1 2 3 7 8 11 12 13 14 15 16 17 18 19 21 22 25 26 28 32 38 39 40 44 45 46 49 53 55 56 66

1991 Conlon (no MLB logo on back)
2 8 15 18 21 27 28 33 34 35 39 42 45 48 60 61 62 63 66 71 73 74 77 81 83 93 96 113 114 122 123 145 146 147 153 154 160 161 185 191 192 194 198 202 203 207 223 224 225 226 230 232 234 237 239 241 243 244 248 261 264 272 274 276 282 283 285 301 304 319 322 328 330

1995 Conlon
3C Ruth

Conlon Color
13 Ty Cobb (All Star Fanfest on back) ($20)
30 The Big Train meets the Ryan Express ($10)
34 Charlie Gehringer ($5)
35 Babe Ruth ($5)
36 Bill Dickey ($5)
37 Three Fingers Brown ($5)
38 Ray Schalk ($10)
39 Home Run Baker ($10)

Conlon Gold Border
661G Bill Terry ($10) only in 1992 All-Star Game program
662G Lefty Gomez ($10) only in 1992 All-Star Game program
1000G Ty Cobb ($5) only sold in ToysRUs Stores

Conlon Prototypes and Promotionals
34 Dizzy Dean (no Curtis Management statement or MLB logo) ($75)
111 Lou Gehrig (no Curtis Management statement or MLB logo) ($75)
145 Babe Ruth (no Curtis Management statement or MLB logo) ($75)
250 Ty Cobb (no Curtis Management statement or MLB logo) ($75)
661 Bill Terry (All Star Fanfest) ($6)
662 Lefty Gomez (PROTOTYPE) ($7)
664 Frankie Frisch (PROTOTYPE) ($7)
690 Jimmy Reese (All Star Fanfest) ($6)
710 Red Faber (All Star Fanfest) ($6)
905 Lena Blackburn (All Star Fanfest) ($6)
1190 Bill Klem (For Promotional Use Only) ($5)
1387 Rabbit Maranville (Club Members Promo) ($20)
1497 Gabby Hartnett (PROMOTIONAL) ($5)

Conlon Autographed Cards (white/silver signatures)
Johnny Mize
Bob Feller
Bobby Doerr
Johnny VanderMeer
Hal Newhouser

1995 Conlon In the Zone (with Ken Griffey, Jr - 8 cards)
1 (w/o PROMOTIONAL)
2 4-8 (w/ PROMOTIONAL)