Okla. Stat. tit. 15, § 15-516: Finder may sell, when

The finder of a thing may sell it, if it is a thing which is

commonly the subject of sale, when the owner cannot with reasonable

diligence be found; or, being found, refuses upon demand to pay the

lawful charges of the finder, in the following cases:

1. When the thing is in danger of perishing, or losing the

greater part of its value; or,

2. When the lawful charges of the finder amount to two-thirds

of its value.