| Chile. Taltal. Puerto Salitrero Y Minero. Saltpeter 1932 Old Vintage Print | | $8.94 | $10.22 | | GB | 31m |
| Postcard Va Natural Bridge Virginia Saltpeter Cave F29 | | $4.95 | $0.90 | | US | 3h 37m |
| Cressy - Saltpeter C - New Hardback Or Cased Book - J555z | | $65.43 | $ | | GB | 8h 20m |
| Vintage Mc Kesson's 4Oz. Tin Can Salt Petre. Some Product 1/4 ? | | $10.00 | $ | | US | 10h 12m |
| Salt Petre Cave Natural Bridge, Virginia Postcard Nature Trail Vintage | | $13.75 | $1.00 | | US | 10h 29m |
| The Naval War Of Pacific, 1879-1884 - Saltpeter War | | $32.99 | $ | | US | 10h 52m |
| Mammoth Cave Saltpeter Works Angelo I George Paperback Collectible - Very Good | | $26.48 | $0.00 | | US | 11h 13m |
| 1895 South African Saltpetre Fields, Limited (Prieska, Cape Colony) - Saltpeter | | $10.00 | $3.00 | | CA | 11h 33m |
| G3 Old Ohio Postcard Richmond Dale Salt Petre Caves Ross County Boulder Rocks | | $7.99 | $0.00 | | US | 15h 43m |
| King Of Denmark Christian Iv / Forordning Om Saltpeter Oc Krud 19 #59282 | | $550.00 | $0.00 | | US | 1d 4h 55m |
| Postcard Saltpeter Vats Mammoth Cave, Kentucky | | $8.09 | $0.00 | | US | 1d 5h 52m |
| The Naval War Of Pacific, 1879-1884: Saltpeter War By Piotr Olender Book New Pb | | $21.70 | $ | | GB | 1d 7h 1m |
| Salt Petre Cave Postcard, July 1968 Vintage Postcard | | $10.75 | $0.00 | | US | 1d 12h 57m |
| Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,9 | | $9.99 | $2.49 | | US | 1d 14h 45m |
| Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,23 | | $9.99 | $2.49 | | US | 1d 14h 45m |
| Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs | | $9.99 | $2.49 | | US | 1d 14h 45m |
| Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,5 | | $9.99 | $2.49 | | US | 1d 14h 45m |
| Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,7 | | $9.99 | $2.49 | | US | 1d 14h 45m |
| Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,13 | | $9.99 | $2.49 | | US | 1d 14h 45m |
| Mammoth Cave Saltpeter Works,Mammoth Cave,Edmonson County,Ky,Kentucky,Habs,15 | | $9.99 | $2.49 | | US | 1d 14h 45m |