There is a series of jigsaws based upon Agatha Christie novels that do not have a picture provided . They can be tough.
HELLO
Sort:
lol....thank you for all the responses. There is instructions that come with all of these 3D puzzles,....I just like to try and do it with brain power alone. I did a Harry Potter 3D one, and eventually I had to go to U-Tube. I'd freeze frame the video every 2 secs to see what piece it was. I also did 2 puzzles with pieces missing.....not many, but fortunately, they were "cosmetic" pieces and not "necessary" ones for structural or functioning reasons. They help me to quit smoking, but there spread out on my kitchen table, so if I want to eat I have to finish it. 
Havent you stopped yet Ron?
Couldn't work on the puzzle today. A pack of wild and angry snowmen have taken over the New England area. The National Guard has been called out. This may be my last post.....
Jan 5, 2022
0
#627
My dad was in the Yankee Division National Guard unit for a long time. You're probably safer now that he's retired.
lol.... There was a real ship in WW2.....I can't remember the name of it.....but it was like MaCale's Navy. It was one mistake after another.
MY NEW YEAR'S RESOLUTION..... 
I'm gonna listen to the Chess.com, Mods no matter what they tell me.
If you don't get a vaccination, don't expect to keep your job at Citibank...https://finance.yahoo.com/news/1-citi-terminate-employees-unvaccinated-155649375.html A number of other stores are closing. Macy's, Bed Bath & Beyond, CVS, etc.
Jan 9, 2022
0
#631
RonaldJosephCote wrote:
lol.... There was a real ship in WW2.....I can't remember the name of it.....but it was like MaCale's Navy. It was one mistake after another.
Could it be this one?
YES!......... The U.S.S Porter.....that's the one Dr....thanks. Roosevelt was escorted by 2 other ships on his way to Malta to sign a peace treaty.
Jan 9, 2022
0
#633
Unfortunately, by mid-1943 the US torpedoes were no longer running under ships or gong thud into them, crushing the detonator but not blowing up. It may have been an actually dangerous situation.
I heard Australian torpedoes always returned to blow up the sub that fired them!
A boomerang.?.....
Jan 10, 2022
0
#636
Another problem with US torpedoes as well. They'd go in a big circle and blow up the sub.
RonaldJosephCote wrote:
A boomerang.?.....
😁
I think my thread's been torpedoed......lol 
On the serious side Dr, this caught my eye.....thought you'd be interested. https://www.yahoo.com/news/navy-relieves-mayport-commander-uss-165133589.html
I had a friend recently work on a big puzzle. Almost done and it dawned on him that there were a couple pieces missing and a couple of stray pieces from some other puzzle in the box.