First Dakota 1 3 ¾” cup mug Linyi China good condition

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This was in my mother's cup collection and money from this sale will go to the missionary fund at the church where she attended.
 

 This FIRST DAKOTA  CUP has First Dakota and a 1 in blue and gray on the front. This cup is approximately 3 ¾” tall and 3 ¼” across.
This has a LINYI CHINA mark on the bottom. I don’t know how old this is but it has been in my family over twenty years.
This appears to be in great condition as I find no chips, cracks or crazing.