It is U.S. Glass pattern #15110, aka SUNRISE or RISING SUN. The design consists three half-circles with rays extending from them, and a cut-glass-like pattern below. The foot is hexagonal. Be sure to check out the other fine glass I have for sale this week, including more antique and EAPG glass.
Company/Maker: United States Glass Company Pattern Name / #: Sunshine / # 15110 Type: EAPG Item: Flat Tumblers Quantity: 3 each Measurements: 3 & 1/8” Across top 4 & 1/8” Tall 2 & 1/4” Across base Condition: Excellent no chips, no nicks, no flea bites, no cracks, and no repairs noted. Color: Clear Markings/Signature: No Extras: Made in USA Circa 1908Selling all (3) for one total dollar Shipping: Flat rate $11.50 which includes USPS