Looks like a repaired scratch on the obverse between the D and Victoria's veil on the lower right. The coin has been cleaned leaving hairlines on the prooflike fields. Still a presentable looking piece.

Country:	Great Britain
Denomination:	5 Pounds
Date:	1887
Grade:	60 details
Grading Service:	PCGS 207335.98/48928742
Catalog:	KM-769
Metal:	Gold
Fine:	.9170
AMW:	1.1770
Item #:	0908-087