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Collecting tools

Check, value and record coins, banknotes, bullion and any collection. Free, with no sign-up.

Check and vetWeigh, measure and grade a piece, and see where it differs from the official figures.4
Coin check #T723 Weigh and measure a coin, pick it from the list of common ones, and see how far its weight and width are from the mint's published figures. Plain pass or check pills, in grams, millimetres and per cent. Specific gravity #T724 Weigh a coin or bar in air and hanging in water to get its specific gravity and density, then see which common metals and alloys it is closest to, and a rough gold share. Grade scale #T725 Pick a number from 1 to 70 and see the US word, abbreviation, UK, French and German equivalents with a plain description. Includes a table of all bands and common banknote terms. Card centering #T726 Type the left, right, top and bottom borders of a trading card, front and back, and see the centring split such as 55/45, with a drawing of the card to show how far off-centre the picture sits.
Metals and bullionMelt value at today’s prices, purity and bullion weights.4
Melt value #T721 See what the gold, silver or platinum in your coins, bars and jewellery is worth at today's spot price, or at a price you type. Includes common coins, tola and pavan. Needs internet Gold purity #T727 Convert gold karat to fineness (916, 750, 585) and per cent pure, and see what each karat is worth per gram, per 10 grams and per tola at today's gold price. Needs internet Bullion weights #T728 Type a weight in grams, troy ounces, tola, grains, pennyweight, masha, ratti, baht or tael and see it in every other unit. Made for gold, silver and coins. Bullion premium #T729 Compare coins and bars by price per pure gram and premium over spot. Enter what each dealer asks and see which gold or silver product is cheapest for the metal you get. Needs internet
Coins and banknotesDates in other calendars, serial numbers and old money.4
Coin counter #T730 Count a jar of coins by weighing it: type the weight of one coin and the total, and get the number of coins and their value. Or tally coins by hand. US, Canadian and UK presets. Coin dates #T731 Turn the year on an old coin or banknote (Islamic AH, Vikram Samvat, Saka, Kollam, Thai, Japanese and more) into our year, or see any year in every calendar. Serial checker #T732 Paste one banknote serial number or a whole list and see which collector patterns each has: solid, ladder, radar, repeater, low number and more. Old money #T733 Convert old British pounds, shillings and pence (and farthings) to decimal money, and old Indian rupees, annas, pice and pies to rupees and naye paise, and back.
Any collectionCatalogue and value what you own, kept on your device.2
Collection catalogue #T722 Keep a list of your coins, banknotes, bullion, stamps or cards with grade, weight, what you paid and your own value. See the metal value at today's price. Stays on your device. Needs internet Auction fees #T734 Work out the real cost of winning a lot (hammer price, buyer's premium, tax, shipping), the most you can bid for a budget, and what a seller receives after commission and fees.