Auction 333-341 Europe & Overseas Americas (North, Central & South America) - Day 1

1897: Central American Exposition Issue, with overprint 'SPECIMEN' mostly 43 or 44 stamps of each denomination in larger blocks and mostly unmounted, just the 1 c. value is represented with 42 single pieces, also all 1 c. stamps have gum faults and two are without gum.
The normal overprint reads 'MUESTRA' according Goodman (cf page 160), unusual offer! Ex the Brian Moorhouse Estate.