Watch List notes:

GREECE: 100 Drachmas (1988) in copper-nickel commemorating the 28th Chess Olympiad. Composition with chess table and inscription "28η ΟΛΥΜΠΙΑΔΑ ΣΚΑΚΙΟΥ" on obverse. Inside slab by PCGS "MS 68 / 28th Chess Olympics". Cert number: 45074627. (Hellas CD.23).