Lots of people gathered some coins in the 60s and naturally a few thought about just keeping the best ones. Usually though, the best ones from change are not always that great in the eye of a collector, especially after such a long time in circulation. I expect some of the 30s coins are VF or even EF. The 60s ones will be as new (and are very common). The 1920s coins may well manage Fine and the Edwardian and later Victorian will be all readable and not unattractive, but usually less than Fine. All that is quite normal. I would be very surprised if any are worth £50 each, but you never know. Can you post some pictures of what you think are the best ones? You can do it on here by using the Attachments/Select a File below the text box. I always seem to come across a bit negative when accumulations of coins like this are concerned. Or perhaps not negative, but not exactly overwhelmed with excitement! I'm sorry about that, it's nothing personal it's just statistics! Over the years hundreds of people have contacted me after saving some coins when the old money was about to be demonetized. Often it's the people themselves but mostly it's younger relatives or heirs. In over 95% of cases the coins are all simply run of the mill and are of extremely high sentimental value and very low monetary value. Each time I hope it will be different, but there's a little voice in my head that tells me it's probably the same again. So melancholic already and I'm not yet even 30!