Tupperware Microwave Food Steamer harvest gold 4 pieces Vintage 1970s-80s

Tupperware Microwave Food Steamer harvest gold 4 pieces Vintage 1970s-80s harvest gold colored amber oval shaped food steamer by Tupperware includes 4 pieces: base, steamer insert, divider for steamer and lift off lid dates to circa 1970s-80s base is marked: "Tupperware Made in USA 1273-5" lid is marked: "Tupperware 1275-4" no markings on divider for steamer steamer basket is marked: "Tupperware 1274-6" measures approximately 11 3/4" handle to handle long x 8 1/4" wide x 5" tall very good preowned stored and used vintage condition - circa 1960s-70s - please see photos - appears to have been very gently used - no staining or damage noted Large Blue Box 3