Reference for Bava Kamma 151:4

הא מני ר"ש היא דאמר קדשים שחייב באחריותן ברשותיה דמריה קיימי

that consecrated objects, the loss of which the consecrator would have to make good, should be considered as if still remaining in the possession of the consecrator.<span class="x" onmousemove="('comment',' As they are still under his charge and the transfer was thus incomplete. ');">⁴</span>

Jastrow