How to Identify the Shah Jahan Half Rupee

Start With Size, Metal, and Weight

Begin by confirming you have a half denomination. A Shah Jahan half rupee is a round silver coin weighing roughly 5.5–5.8 grams—about half the weight of a full Mughal rupee (near 11.4 grams) and clearly heavier than a quarter rupee. Genuine silver has a soft grey sheen and a light ring; a suspiciously light, orange-toned, or overly bright piece deserves scrutiny. Because these coins were struck by hand, expect slightly uneven, non-milled edges and an irregular flan rather than a perfectly circular machine-made blank.

Read the Two Faces

Both sides are covered entirely in Arabic and Persian script with no portrait or scene. One face typically bears a religious inscription—often the Kalima—sometimes with the names of the four early caliphs in the margins. The other face carries the emperor's name and titles along with the mint name and the AH date. The presence of ornamental dividers and small floral or dotted border motifs is normal for Shah Jahan silver and helps confirm the era.

Confirm the Date and Mint

Look for the Hijri (AH) date in the legend—on this type, AH 1055 (AD 1647)—and, where present, a regnal year. The mint name is embedded in the reverse legend and is the key to precise attribution, since Shah Jahan operated many mints such as Akbarabad, Shahjahanabad, Lahore, Surat, and Patna. It is common for the die to be larger than the coin blank, so part of the inscription may run off the edge; a partial legend is expected and does not by itself indicate a problem.

Watch for Look-Alikes

Mughal silver of Jahangir, Aurangzeb, and later emperors shares the same aniconic, inscription-only format, so a coin can easily be misattributed without reading the ruler's name and titles. Later Indian princely-state and Durrani issues also imitate Mughal styling. When the script is worn or off-flan, attribution should rest on whatever legend elements survive rather than on shape or size alone.

Authentication Cautions

Cast copies, tourist replicas, and modern fantasy pieces exist. Warning signs include seams or bubbles from casting, mushy or doubled lettering, incorrect weight, and edges that look filed or too smooth. Hand-struck originals show crisp, individually engraved characters and honest wear consistent with age. For a valuable or uncertain example, weigh and measure it, compare the legends against published references, and when in doubt seek an opinion from a dealer or specialist in Mughal coinage.