No markings Inheriteed. Only known bought in NY in 1981. Appears to be resin. cant tell if it resin the base very heavy. The tail and head are hollow. The doors swivel. Some small roof shingles fallen off . I have them all but have not tried to repair. Have no tried to clean the item , its some copper like hull. I looked thru internet, have not found any where thw tail and head are actually the hull of the ship instaed of inside

45'x25'