Oaksworn Sigil Crest Shield has the following Stats:

[Block] chance: 25%
Armour: (30-37)
Energy Shield: (14-17)
Movement Speed: -1.5%

Oaksworn Sigil Crest Shield features the following Modifiers:

(40-60)% increased Block chance
(80-120)% increased Armour and Energy Shield
+50 to Spirit
+(17-23)% to Chaos Resistance