Devotional book with silver clasps

Devotional book, titled Himmlischer Liebes-Kuß Oder Ubung deß wahren Christenthums fliessend auß der Erfahrung Göttlicher Liebe by Heinrich Müller, printed 1679 in Rostock. Two engraved silver clasps made in Strasbourg in the last quarter of the 17th century by the silversmith Daniel Hammerer (Hammer), master in 1659.

Book dimensions :
Height : 18,7 cm
Width : 11 cm
Thickness : 7 cm

Clasps dimensions :
Length : 7,5 cm
Width : 2,1 cm

Condition : good, traces of use on the book cover, small rip