Watch List notes:

Banco de Londres Mexico y Sud America Proof Front and Back Color Trials. (CA 1868-81). Mexico. 20 Pesos, beautiful unlisted Proof color trials, India paper on cards, the front is all blue with brown underprint, burros carry packs along mountain trail, woman reclines near globe, sailor with telescope. The note itself is Choice to Gem Uncirculated, the upper right corer of the card is lightly scuffed. The all blue back features two oval "20" counters flanking a complex geometric lathe design. No issued notes are reported. [2]

Estimate: 2000 - 4000