Verses with the word peculiar in the Old Testament (5 verses):

Exodus 19:5
Now therefore, if ye will obey my voice indeed, and keep my covenant, then ye shall be a peculiar treasure unto me above all people: for all the earth is mine:

Deuteronomy 14:2
For thou art an holy people unto the LORD thy God, and the LORD hath chosen thee to be a peculiar people unto himself, above all the nations that are upon the earth.

Deuteronomy 26:18
And the LORD hath avouched thee this day to be his peculiar people, as he hath promised thee, and that thou shouldest keep all his commandments;

Psalms 135:4
For the LORD hath chosen Jacob unto himself, and Israel for his peculiar treasure.

Ecclesiastes 2:8
I gathered me also silver and gold, and the peculiar treasure of kings and of the provinces: I gat me men singers and women singers, and the delights of the sons of men, as musical instruments, and that of all sorts.