Hallmark Springbok Vintage Jigsaw Puzzle "Furry" Seal Talk 500 Pieces New!!!!

Hallmark Springbok Vintage Jigsaw Puzzle "Furry" Seal Talk 500 Pieces New but Vintage 1970s Size 20.25” x 20.25” Can’t find a year printed on the outside but I think it is from 1978. In original packaging (and mostly still sealed) which has some wear but great for the age! Please reference pics of all the corners and clear wrapping. From label sticker: CHALLENGE SERIES! Another in the special Springbok collection of extra-difficult, extra-challenging puzzles. An authentic interlocking jigsaw puzzle by Springbok. Over 500 pieces.