Allen and Ginter SP cards, or short print cards are part of the base Allen and Ginter set, but are printed with less frequency than most of the base set cards. There are generally 50 sp's per Allen and Ginter set.
2009 Topps Allen & Ginter Raul Ibanez Bazooka RED BACK Mini #18 25 SP

2009 Topps Allen & Ginter Raul Ibanez Bazooka RED BACK Mini #18 25 SP

Buy It Now: $21.49
Time Left: 19m
2009 Topps Allen & Ginter James McDonald RC Bazooka RED BACK Mini #22 25 SP

2009 Topps Allen & Ginter James McDonald RC Bazooka RED BACK Mini #22 25 SP

Buy It Now: $21.49
Time Left: 22m
CC SABATHIA 2011 ALLEN & GINTER HEROES-MINI-BASE LOT SP (5) YANKEES #330

CC SABATHIA 2011 ALLEN & GINTER HEROES-MINI-BASE LOT SP (5) YANKEES #330

Buy It Now: $3.49
Time Left: 1h 31m
2009 Allen Ginter Koji Uehara mini NN RC SP 50

2009 Allen Ginter Koji Uehara mini NN RC SP 50

Price: $4.99
Buy It Now: $12.99
Time Left: 2h 5m
2007 ALLEN & GINTER KERRI WALSH SP SHORT PRINT VOLLEYBALL CARD #322 ~ L@@K!!!

2007 ALLEN & GINTER KERRI WALSH SP SHORT PRINT VOLLEYBALL CARD #322 ~ L@@K!!!

Buy It Now: $2.99
Time Left: 2h 18m
2008 ALLEN & GINTER SHORT PRINT CARD # 300 RYAN HOWARD

2008 ALLEN & GINTER SHORT PRINT CARD # 300 RYAN HOWARD

Buy It Now: $4.99
Time Left: 3h 9m
2008 ALLEN & GINTER SHORT PRINT CARD # 301 FELIX PIE

2008 ALLEN & GINTER SHORT PRINT CARD # 301 FELIX PIE

Buy It Now: $4.99
Time Left: 3h 12m
2008 ALLEN & GINTER SHORT PRINT CARD # 302 BRAD LIDGE

2008 ALLEN & GINTER SHORT PRINT CARD # 302 BRAD LIDGE

Buy It Now: $4.99
Time Left: 3h 15m
2008 ALLEN & GINTER SHORT PRINT CARD # 303 JASON BAY

2008 ALLEN & GINTER SHORT PRINT CARD # 303 JASON BAY

Buy It Now: $4.99
Time Left: 3h 19m
2008 ALLEN & GINTER SHORT PRINT CARD # 304 VICTOR HUGO

2008 ALLEN & GINTER SHORT PRINT CARD # 304 VICTOR HUGO

Buy It Now: $4.99
Time Left: 3h 22m
2008 ALLEN & GINTER SHORT PRINT CARD# 305 RANDY JOHNSON

2008 ALLEN & GINTER SHORT PRINT CARD# 305 RANDY JOHNSON

Buy It Now: $4.99
Time Left: 3h 25m
2006 Allen & Ginter TAKERU KOBAYASHI auto SP rare autograph signed autographed

2006 Allen & Ginter TAKERU KOBAYASHI auto SP rare autograph signed autographed

Buy It Now: $179.99
Time Left: 3h 28m
2008 ALLEN & GINTER SHORT PRINT CARD # 307 PAT NESHEK

2008 ALLEN & GINTER SHORT PRINT CARD # 307 PAT NESHEK

Buy It Now: $4.99
Time Left: 3h 31m
2008 ALLEN & GINTER SHORT PRINT # 314 MIKE CAMERON

2008 ALLEN & GINTER SHORT PRINT # 314 MIKE CAMERON

Buy It Now: $4.99
Time Left: 3h 40m
2008 ALLEN & GINTER SHORT PRINT # 315 TOM GLAVINE ATL

2008 ALLEN & GINTER SHORT PRINT # 315 TOM GLAVINE ATL

Buy It Now: $4.99
Time Left: 3h 43m
2008 ALLEN & GINTER SHORT PRINT # 316 ERVIN SANTANA ANG

2008 ALLEN & GINTER SHORT PRINT # 316 ERVIN SANTANA ANG

Buy It Now: $4.99
Time Left: 3h 46m
2008 ALLEN & GINTER SHORT PRINT # 317 GEOFF JENKINS PHI

2008 ALLEN & GINTER SHORT PRINT # 317 GEOFF JENKINS PHI

Buy It Now: $4.99
Time Left: 3h 49m
2008 ALLEN & GINTER SHORT PRINT # 319 JASON GIAMBI NYY

2008 ALLEN & GINTER SHORT PRINT # 319 JASON GIAMBI NYY

Buy It Now: $4.99
Time Left: 3h 53m