PB Tessera, Spain, 47mm. 

P-S to left and right of nude male walking left, 
carrying bell(?) and shovel over his shoulder, all within
wreath 
Harrow (or miner's axe?). 

Plomos pg. 26, 3 (listed as "unique"). 
VF, dark color, waxed. Extremely rare. ($750)

With permission of cngcoins.com.