Vintage from the 1960's,  "American Plastic Bricks".  This set is numbered 735 and manufactured and made by Elgo Plastics Inc. Bricks come in the original container.  This is not a complete set.  Originally came with 208 pieces.  This set has 165 pieces and some pieces have cracks in them, about 6 of them.  The rest are in-tact good vintage condition with some wear consistent with age and use.  The container is missing the lid and has wear on the top and around it and patina on the metal part on the bottom.  Sold as in Vintage condition.