Ever wonder why some Vintage Hawaiian shirts sell for $100's and even $1000's and others only for a few dollars or less? The best resource book available is called The Hawaiian Shirt written by H. Thomas Steele. Over 100 pages show full-color photos of genuine vintage Hawaiian shirts from the 30's, 40's & 50's.  Vintage shirts were originally made of silk, rayon or 100% cotton with embroidered Made in Hawaii labels.  Authentic label names included: Aloha, The Kahala, Kamehameha, Waikiki Sports, Surfriders, Royal Hawaiian, Paradise, Champion Kahanamoku, Watumull's, Iolani, Pali Hawaiian Style, McInerny's, Hawaiiana, Poi Pounder Tog, Shaneen's, Kalakaua, Malihini, Made in California and most, if not all of these old labels had a predominant palm tree motifs no matter what coast (California) or Hawaii, they came from.  Finally, some shirts had genuine coconut buttons while others just had plain plastic white buttons. Regardless, look for shirts with historic/exotic scenes, tropical flowers, surfing and scenes from Polynesian legends, you just might find that GENUINE, vintage Hawaiian shirt, if you're lucky!