Dear Sandy Snider,
Thank you for posting your request on History Hub!
We are unable to decipher the meaning of the numbers and letters on the Revolutionary War Service Card you are interested in without some additional information. Please contact the National Archives at Washington, DC - Textual Reference (RDT1) via email at firstname.lastname@example.org and include a screenshot if possible or any other information necessary to find the record.
We hope this information is helpful. Best of luck with your research!