(x) Banque de France, uniface obverse and reverse progressive proof of 10 francs, ND (1916-42), control number 43 blue, Athena at top left, values at two lower corners, reverse, woman sitting on haystack holding sickle, missing serial number and signatures,, (Pick 73 for type, Fayette 6.0), both in PMG holder 64 choice uncirculated, extremely rare (2).
Estimate: £800 - £1,000