Here is another Micro-Spratt LRI. This one is embossed around the top rim Patent/ Spratt. With 1850 embossed on the tab. It is about 1 5/16" tall and 1 1/8" across the base. Follow this link to one other Micro-Spratt variation: [id=207332260] The color is a pale green-aqua. This example has weak embossing. This LRI was purchased in a group deal in 1993 along with 43 other glass LRIs.