1 certificate is signed by Woods/ White Z series and 1 signed by Speelman/White K series. Both are in good condition and both have blue seals. Any idea what they are worth?

Norwalk Tank- YOU have two large 1923 silver certificates
One is signed by { WOODS AND WHITE]Zseries;; And one signed by {SPILLMAN AND WHITE,"k"series, blue seals??
Please check the series dates and letters following the date;; the 1950 series went from 1950 through 1950; there was no "Z"OR "K" series printed;;; WAiting your reply;; Have a great day and GOD BLESS ::F.B.E.