Watch List notes:

Government of the Straits Settlements, reverse progressive proof $5, ND (1925-30), brown and orange, tiger at centre,(Pick 10 for type, Goon S 10 for type, Tan S 10 for type), no. 104, De La Rue specimen stamp at lower right, in PMG holder 66 EPQ Gem Uncirculated, rare.

Estimate: £3,500 - £4,500