From the PAPY-L list I learn that P.Oxy 1780 and 1924 are being offered for sale by Crozer Theological Seminary in Pennsylvania at Sothebys, and expected to reach ca. £300k.
http://www.sothebys.com/app/live/lot/LotDetail.jsp?lot_id=159503126
The Sotheby’s site gives details of the Ms.