This is a 1955 model Levi's 501XX made in Valencia. The stamp "555" on the back of the top button indicates that it was manufactured at the Valencia factory in the United States between 1996 and 2003. The Valencia factory closed in 2003, so these have become highly sought after and very popular due to their rarity. The 501XX 1955 model of this product is said to be the completed form of the 501XX. big E Product Details • Brand: Levi's / Levi's Vintage Clothing • Model: 501XX Made in USA Red Ear Selvage • Size: W34 L36 • Material: 100% Cotton • Country of Manufacture: Made in USA (USA) • Condition: Generally good, please judge from the photos. • Rare model made in the USA (USA) • Selvage (red ear) specification • Button fly & hidden rivet specification • Made in Valencia factory • Button back stamp "555" Please understand that this item has been stored by a person and has been in someone's hands before purchasing. No returns/no exchanges. Ralph Lauren Double RL Polo Bear Rugby Denim & Supply Standard California Bayflow Denim & Supply Rugby RRL Ralph Lauren Polo Polo Bear Vintage Clothing Levi's LVC Vintage Clothing Levis 501xx Lee The Real McCoy's Buzz Rickson's SUGAR CANE The Flat Head Warehouse Red Wing Carhartt WIP Carhartt Red Wing Kapital KAPITAL Lewis Leathers Vanson Schott Engineered Garments Levi's schott Sun Surf SUN SURF Toyo Enterprises patagonia Kaptain Sunshine Barbour Nigel Cabourn Wacko Maria NEIGHBORHOOD 70505 577 501xx big E