This is a Dithridge No Easter Without Us plate. It is white milk glass early american pattern glass, embossed with a rooster, two chickens or hens, five chicks, and one egg. The words "No Easter Without Us are embossed across the top. The rim is scalloped. The plate dates to around 1900. It is featured in the Collector's Encyclopedia of Milk Glass by Betty & Bill Newbound, page 116. There is a dark line near the rooster, not sure if it is a crack or a straw mark/manufacturing flaw. It does not go through to the reverse side of the plate.
No Easter Without Us Dithridge Milk Glass Plate 1900 Rooster Chicken