The 20c piece and shield nickel both weigh exactly 5 grams, and their diameters are closer than the 20c piece is to the quarter. So basically it...
AU58, perhaps 62RB. Congrats on buying something that was not as described.
PCGS will also remove them no charge. If you want them back, write a note to that effect on the submission form. You may or may not get them...
CC looks like a possible match for VAM 9. The weight is correct, and nothing else is jumping out at me as fake, but I wouldn't want to buy this...
Nickel - Heat damage Cent - Poke it with a stick. Probably bad plating Dime - Damaged Total value: 16¢
Separate names with a comma.