vintage 1970s rocky mountain national park lagoon postcard color blocking

vintage postcard rocky mountain national park 1970s design color blocking lagoon view screen printed art travel memorabilia retro collectible paper goods souvenir scheme landscape theme graphics 70s keepsake pop style vacation memento nostalgic scenery colorful print historic graphic classic ephemera artistic palette showcases screenprinted blocking vibrant colors capture essence era perfect aesthetics beauty parks display proudly unique gift generated