 | Postcard Va Natural Bridge Virginia Saltpeter Cave F29 |  |  | $4.95 | $0.90 | | US | 12d 3h 26m |
 | Cressy - Saltpeter C - New Hardback Or Cased Book - N555z | | | $84.16 | $0.90 | | GB | 12d 8h 8m |
 | Mammoth Cave Saltpeter Works Angelo I George Paperback Collectible - Very Good | | | $14.96 | $0.00 | | US | 12d 11h 2m |
 | 1895 South African Saltpetre Fields, Limited (Prieska, Cape Colony) - Saltpeter | | | $10.00 | $3.00 | | CA | 12d 11h 21m |
 | Postcard Saltpeter Vats Mammoth Cave, Kentucky | | | $8.09 | $0.00 | | US | 13d 5h 40m |
 | The Naval War Of Pacific, 1879-1884: Saltpeter War By Piotr Olender Book New Pb | | | $22.74 | $0.00 | | GB | 13d 6h 49m |
 | Chile 1930 Stamp Sofich # 206 Wmk 3 And 4 Used Saltpeter | | | $6.20 | $5.00 | | CL | 13d 7h 58m |
 | Sgt. Saltpeter - Tales From The Toilet Brown Vinyl Rsd - New Vin - Q11501z | | | $30.68 | $5.00 | | GB | 13d 10h 38m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,9 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,23 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,5 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,7 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,13 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,15 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,31 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,20 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,25 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,8 | | | $11.99 | $2.49 | | US | 13d 14h 33m |
 | Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,12 | | | $11.99 | $2.49 | | US | 13d 14h 33m |