This is a complete set of four proofs from French Andorra, featuring denominations of 5c, 10c, 20c, and 50c.  They were issued in 1961, and display wheat sheaves.   

These postage due proofs are of high quality, being mint never hinged (MNH) and are graded as extremely fine (XF). 

They were manufactured for Andorra and are inscribed :"Timbre Tax".  The set is in excellent condition, with Scott catalogue numbers J42-J45.