I'm a little late to the party on this set but I'm getting closer.
Need the following 2015 SP's
433, 435, 447, 450, 453, 462, 465, 466, 470, 471, 473, 474, 481, 482, 492, 494, 499
I have the following Topps Heritage SP's available to trade
2015 - 431 437 467 475 491 497 498
2014 -426 432 461 488 489
2013 - 446 480 488
2008 315 381 434 447 450 495
2006 294 314 330 334 335 348
2003 -128 367 399 404
2002 -104 441
Need the following 2015 SP's
433, 435, 447, 450, 453, 462, 465, 466, 470, 471, 473, 474, 481, 482, 492, 494, 499
I have the following Topps Heritage SP's available to trade
2015 - 431 437 467 475 491 497 498
2014 -426 432 461 488 489
2013 - 446 480 488
2008 315 381 434 447 450 495
2006 294 314 330 334 335 348
2003 -128 367 399 404
2002 -104 441