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Learn more about the Sportlots Baseball Card Values Guide.

2007 SP Authentic By the Letter Signatures Baseball Trading Cards

2007 SP Authentic By the Letter Signatures Baseball Card Values

Card Description	NM	EX/NM	EX	VG	GOOD

2007 SP Authentic By the Letter Signatures #BL-9 Carlos Quentin	$16.02
2007 SP Authentic By the Letter Signatures #BL-9 Carlos Quentin	$13.72
2007 SP Authentic By the Letter Signatures #BL-18 Chris Duffy	$3.52
2007 SP Authentic By the Letter Signatures #BL-18 Chris Duffy	$3.02
2007 SP Authentic By the Letter Signatures #BL-19 Chris Young	$10.00
2007 SP Authentic By the Letter Signatures #BL-19 Chris Young	$3.02
2007 SP Authentic By the Letter Signatures #BL-20 Cliff Lee	$15.02
2007 SP Authentic By the Letter Signatures #BL-32 Dontrelle Willis	$3.77

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