Watch List notes:

(x) Banque de France, uniface specimen proof of a 20 francs, ND (1939-42), blue and multicolour, allegorical bust of a worker and a scientist at right, missing underprints, serial numbers and signatures,, (Pick 92sp, Fayette 12), in PMG holder 64 choice uncirculated, ex Lin Zhan Wei Collection, very rare and desirable French proof.

Estimate: £1,000 - £1,500