THREE GERMAN PRE WWII MINATURE CERAMIC / PORCELAIN “HUMMEL” MFGER’ED OLIVE DRAB ARMORED VEHICLES, I DON’T KNOW IF THESE WERE ID MODELS, TOYS

TWO US POST WWII “M20” HEAVY “ANTI-TANK TRAINING MINES, 13” ROUND X 4′ THICK, BOTH ARE STENCILED “MINE AT / PRACTICE / HEAVY / M20” WITH BOTH HAVING 50/70% PAINTED BLUE FINISH, ONE IS A LIGHT BLUE AND DATED 2/56, OTHER ONE IS A DARKER BLUE WITH SOME HEAVY RUST CORROSION ON THE BOTTOM, BOTH NEED CLEANING, BOTH FOR