Hello all. I'm new to the forums and also error hunting. I recently purchased a small lot of SMS 66' & 67' sets and found one nickel to have some errors but I'm not good at determining the type of doubling or if it's worth anything being sealed and SMS with errors. I only have one picture attached of the main area that has what I believe to be doubling. If anyone requires more pictures I can get specific ones requested. I don't expect to have some major valuable find here just curious and looking to understand types of doubling a bit more. Again the coin info. 1966 Special Mint Strike Nickel in original mint plastic holder, never opened or tampered with.
I agree that its mechanical doubling. Flat, no notching/split serifs, no thickening of the letters. The following sites have a comprehensive list of known DDO and DDR. It's always a good idea to check there first if you think you found something. Plus they have info on how dies are made, classes of doubling, and characteristics of true hub doubling vs MD and DDD. Good sites to bookmark. https://www.doubleddie.com/ http://varietyvista.com/ Here is info on the characteristics of mechanical and other forms of worthless doubling https://www.doubleddie.com/144801.html Hope this helps
Machine doubling will make the devices smaller as the die is cutting metal from the already struck device. If it were a true doubled die struck coin. The devices would be larger because the die itself has been double struck.
Welcome to CT @Michael O. It would help if you posted photos FULL IMAGE. If you aren't sure how, I have the following for new members. For the best results, you should post "in focus," FULL IMAGE photos (after you upload your photo, two buttons appear: Thumbnail and Full Image, click Full Image and your photo appears full size on your post and are easily enlarged by clicking on it). Photograph coins on neutral backgrounds like black, grey, or white. Crop out superfluous background so just the coin shows (you can use https://www.remove.bg for free), and post photos with correct orientation so members don't have to turn their computer in some awkward fashion to view it properly. While it isn’t always necessary, it is nice to show both the obverse and reverse, even if your question is just about one side. Members can often give more valuable information having both sides to evaluate. Add close ups of areas you have questions about and make your questions as definitive as possible so we know what you are asking for. And try to have the best lighting possible to show the most favorable photo of the coin. Hope this helps in the future. Good luck.
