4 Tiffany Studios Pine Needle Calendar Frames. Each piece signed “Tiffany Studios, New York”. 1) Flat frame No. 930, with a slanted front, has curved green slag glass along the edges of the corner which is overlaid with a pierced pine needle pattern, nice condition, missing front glass and cards, 1.5 in. high x 4.5 in. wide x 3.5 in. deep. 2) Calendar frame No. 20, with easel stand, has beaded edges, 4 green slag glass panels around the edge overlaid with a pierced decorated pine needle pattern, nice condition, no breaks or losses; 4.25 in. high x 6.25 in. wide – inside: 2.25 in. high x 3.5 in. wide. 3) Calendar frame No. 940, with easel stand, 4 green slag glass panels around the edge overlaid with a pierced decorated pine needle pattern, nice condition, crack in the top panel; 6.25 in. high x 7.25 in. wide – inside: 2.25 in. high x 3.5 in. wide. 4) Calendar frame No. 939, with easel stand, rounded corners, 4 green slag glass panels around the edge overlaid with a pierced decorated pine needle pattern, nice condition, cracks in the bottom corners of the glasses; 7 in. high x 8.5 in. wide – inside: 3.25 in. high x 4.75 in. wide. Weight: 3.25 lbs.