Buck-A-Box: 1990 Topps Heads-Up

The first break of the day: 1990 Topps Heads-Up!  There were only 23 packs (box says 24), and based on the fact I had NO DUPLICATES, I can only assume Topps sold these such that one could buy a single box and get the whole set of 24 "cards."

Here are the results:

Year, Brand, Set Name	Team Name	Player on card	Participant Name (or alias)
1990 Topps Heads-Up	A's	Dennis Eckersley	Nathan
1990 Topps Heads-Up	A's	Mark McGwire	Nathan
1990 Topps Heads-Up	A's	Jose Canseco	Nathan
1990 Topps Heads-Up	Angels	Jim Abbott	Group Pool
1990 Topps Heads-Up	Astros	Craig Biggio	Dimwit
1990 Topps Heads-Up	Brewers	Gary Sheffield	Group Pool
1990 Topps Heads-Up	Cubs	Jerome Walton	Matt P
1990 Topps Heads-Up	Cubs	Dwight Smith	Matt P
1990 Topps Heads-Up	Cubs	Ryne Sandberg	Matt P
1990 Topps Heads-Up	Giants	Will Clark	Matt R
1990 Topps Heads-Up	Giants	Kevin Mitchell	Matt R
1990 Topps Heads-Up	Mariners	Harold Reynolds	Ryan C
1990 Topps Heads-Up	Mariners	Ken Griffey, Jr	Ryan C
1990 Topps Heads-Up	Mets	Doc Gooden	Paul H
1990 Topps Heads-Up	Orioles	Gregg Olson	Kevin B
1990 Topps Heads-Up	Orioles	Craig Worthington	Kevin B
1990 Topps Heads-Up	Padres	Tony Gwynn	Group Pool
1990 Topps Heads-Up	Rangers	Rafael Palmeiro	Matt J
1990 Topps Heads-Up	Reds	John Franco	Joe C
1990 Topps Heads-Up	Royals	Bo Jackson	Matt F
1990 Topps Heads-Up	Royals	Bret Saberhagen	Matt F
1990 Topps Heads-Up	Twins	Kirby Puckett	Matt F
1990 Topps Heads-Up	Yankees	Don Mattingly	Kevin M