The Riverbed Find: Labelling a Mixed Assemblage Before the Gallery Opens
The district museum in a Ganga-plain town is due to open a new gallery in ten days. A farmer dredging a tributary has handed over 47 silver punch-marked coins, a broken terracotta seal and a six-line copper plate in Brahmi. He says all three came from the same spot, but the bank had already been cut back by a JCB and no stratigraphy survives. The plate's letters are angular and cursive rather than the rounded early Brahmi of the Ashokan edicts, and its first line contains the title mahāsāmanta. The local paper has already run the headline 'Mauryan treasure, 300 BCE', and a councillor has asked the museum not to 'downgrade' the find before the tourist season. The state epigraphy office can give only a photograph-based opinion, and that in three weeks. A school group is booked for the opening and will ask how old the objects are.
1. Draft the gallery label (about 60 words) and justify every phrase in it.
Read the worked answer
Draft label: Reported river find: 47 silver punch-marked coins, a fragment of a terracotta seal and a copper plate in Brahmi. The coins belong to a type current from roughly the 4th to the 2nd century BCE; the plate's angular script and its title mahāsāmanta point to a considerably later date, probably early medieval. The finder states that all three objects came from one spot, but the deposit was disturbed by dredging and no excavated context survives, so their association is unproven.
Justification, phrase by phrase:
- 'type current from roughly...' - punch-marked coins are dated by weight standard and symbol typology, not by a mint year, and they stayed in circulation and in hoards long after striking. Dating the type is not dating the deposit.
- 'angular script ... mahāsāmanta' - palaeography is relative, not absolute. Letter forms change gradually, and mahāsāmanta is a post-Gupta administrative rank. Together they give a terminus post quem: the earliest century in which the plate could have been engraved.
- 'reportedly' - without a recorded findspot, association is the finder's word alone. The JCB cut destroyed the only independent check.
- Deliberately avoided: 'Mauryan', 'treasure', '300 BCE', and any single date for the group as a whole.
2. A student asks: 'If the coins are Mauryan, isn't the whole find Mauryan?' Identify the reasoning error and the principle you would teach.
Read the worked answer
The error is dating an assemblage by its oldest object. Coins are the most residual objects in archaeology: a hoard buried in 800 CE can consist entirely of coins struck in 200 BCE, because old coin types circulate for centuries and are rarely withdrawn. The date of burial can be no earlier than the date of the latest securely dated object - here, the inscribed plate. That is the terminus post quem principle.
Two further principles follow. First, date each object by its own evidence, then date the context; never reverse the order. Second, association has to be demonstrated by recorded position, not assumed from a report. A river gravel mixes material from many periods, and dredging mixes it further.
A classroom test that works: ask students what single object fixes the earliest possible date of the group, and what single object fixes the latest. Then ask what evidence would be needed to say the objects were deposited together - a section drawing, a photograph in situ, a recorded depth and grid reference. The defensible statement is not 'the find is Mauryan' but 'the find contains material of at least two periods and the date of the group is unknown'.
3. What should the museum do before and after the display, both professionally and legally?
Read the worked answer
Before display: record the finder's name, date, exact location (GPS if possible) and depth; bag the objects separately, never together, so that any residue can be analysed; do not acid-clean the silver or the plate, since corrosion layers and encrustation may preserve punch marks or tool marks - refer to a conservator. Obtain the epigraphy office opinion in writing and file it with the object. Report the find to the state archaeology department, since antiquities must be reported and, if kept, registered under the Antiquities and Art Treasures Act, 1972; do not purchase from the finder without written legal advice on title. Write the label so that uncertainty is visible, credit the finder, and tell the councillor and the newspaper plainly that the museum cannot certify a date the evidence does not support.
After display: publish a short note with photographs so that scholars can re-examine the material; keep the label under review and amend it if the epigraphy report changes the reading; log any visitor or researcher queries. The professional point is that the museum's duty is to the object and the record, not to the tourist season.