2506
1986 (25th Aug) 36c, 50c & $1 Platypus button ... Estimate: $55
2507
1987 (1st July) 37c, 53c & $1 Platypus button ... Estimate: $50
2508
1995 00.01 Emu paper with "25 YEARS 1970-1995" ... Estimate: $60
