Oriel Plas Glyn-y-Weddw is within a listed mansion house

They are just two of the 105 lots on offer at Oriel Plas Glyn-Y-Weddw in Llanbedrog, north Wales, on Sunday.

The cash is needed for the maintenance and upkeep of the gallery, which is housed in a Grade Two listed mansion.

Other lots include holiday cottage lets, jet flights to Ireland and a meal for eight cooked by a top chef.

Helen Williams-Ellis, from the gallery, said it was difficult to say how much money would be raised.

This original Kyffin Williams painting has a reserve price of £25,000

"I am hoping for £40-50,000 and that will go some way toward to the upkeep and costs of the gallery," she said.

"We need to raise substantial cash, and have put a lot of effort to make this a substantial do.

"We have a real cross-section of things - an enormous number of artists have been incredibly generous.

"We are expecting people to bid for lots by phone - we know someone will be bidding on a mobile from Austria."

She said that the original Kyffin Williams oil painting had a reserve price of £25,000, and they were expecting hopeful buyers to travel from as far afield as London for the auction.

Also up for auction are a sculpture by Rosemary Rempe, an original Kyffin Williams watercolour, tea in the House of Commons with Lembit Opik and Siān Lloyd, lunch for two in the House of Lords with the Welsh assembly presiding officer Dafydd Elis-Thomas and tickets for the Wales-New Zealand rugby clash in November.