Amazon UK offers The Godfather Collection: The Coppola Restoration on Blu-ray Disc for $8.68 (£6.99). Add it to your cart and proceed to checkout to drop it to $7.25 (£5.83). With $3.83 (£3.08) for shipping, that's $3 under last week's mention and the best price we've seen. (It's also a low by $8.) This 4-disc box set includes The Godfather, The Godfather: Part II, and The Godfather: Part III.
This Blu-ray set is region-free; the movies themselves will play on US Blu-ray players, but the extras and special features may not.