Manufacturer: TEPCO
Pattern Name: Rick Rack No. 1
Date of creamer: 1931 – 1968

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Note: This ID is based on a 1970s-era TEPCO catalog that also shows a similar, slightly more complex rim wave design dubbed Rick Rack No. 2.

White background with airbrushed dark green wavy rim design. Similar patterns were produced by other manufacturers with airbrushed waves, crests, scrolls or rick rack designs around the rim.

For related info:
Crest Green by Buffalo China
Everglade by Shenango China
Juniper by Mayer China
Lancer by Jackson China 
Normandy by Mayer China
Tidal by McNicol China 
Wintergreen by Syracuse