Watch List notes:

Latvijas Bankas, set of obverse/reverse colour trial specimen 500 latu, 1929, brown and multicolour instead of issued violet, brown and pink
(Pick 19cts1, 19cts2, TBB B207as), perforated SPECIMEN, in PMG holders, both previously mounted, both 62 Uncirculated, this is the only set graded by PMG at the time of cataloguing, different but same type set sold at Spink in auction 4005 lot 578, rare