Sell with Trigo

How it Works

Submit Photographs

Take front and back images of your item

Provide Information

Add descriptions, dimensions, history and any documentation for you items

Review Estimates

All set! Our specialists will review your submission and contact you

Getting an Estimate is Easy

Wonder how much your art or object might be worth and how to sell it? Simply follow the steps below and our specialists will review your submission at no cost and provide preliminary estimates for items that can be included in our sales in 5 to 7 business days.

Disclaimer: Preliminary estimates may be subject to change upon inspection of the item in person

Why Choose Trigo

We will help you sell your valuable objects with the right strategy


If your item meets our quality standards and minimum consignment value, Trigometric will provide auction estimates and will recommend the most effective way to sell your property -- whether in one of our live or online-only auctions, or, if appropriate, with one of our trusted partners.




We work directly with consignors to build trusted relationships together


In submitting your auction estimate request, you represent that you are the owner of the property that you are inquiring about, that you own the property free and clear of any claims, liens, encumbrances or interests of others and that the property can be offered freely in the international numismatic market. If you are interested in consigning your property to Trigometric, please be aware that you are responsible for complying with any local export or import laws.

Please also note that Trigometric does not authenticate items submitted, and does not accept liability. Trigometric gives no representation, warranty or guarantee with respect to an item's origin, provenance, attribution, condition, date, age or authenticity.





Consignment Highlights from Sell with Trigometric

Imperial Chinese Railways, $5, 1899

Imperial Chinese Railways, $5, 1899 (P-A60r) Remainder, PMG 65EPQ, perforation cancelled 光绪二十四年山海关内外铁路局伍圆。库存票

Straits Settlements, $10, 1924

Straits Settlements, $10, 1924 (KNB7;P4b) S/no. B/6 63731, PMG 30 repaired 1924年海峡殖民地 叻屿呷国库银票拾圆

Straits Settlements, $10, 1925

Straits Settlements, $10, 1925 (KNB19a;P-11a) S/no. C/41 58764, PMG 50 Minor Stain Lightened 1925年海峡殖民地 叻屿呷国库银票拾圆

100 Ringgit, 1st & 4th Series, Ismail Md.Ali & Aziz Taha

100 Ringgit, 1st & 4th Series, Ismail Md.Ali & Aziz Taha, First & Last Prefix (KNB5a;KNB23c) S/no.A/1 032370;A/30 763548, PMG 65EPQ (2pcs)

1000 Ringgit, 3rd Series, Ismail Md.Ali

1000 Ringgit, 3rd Series, Ismail Md.Ali (KNB18b;P-18) S/no.A/1 555148-149, PMG 64 & 65EPQ (2pcs)

1000 Ringgit, 3rd Series, Ismail Md.Ali

1000 Ringgit, 3rd Series, Ismail Md.Ali (KNB18b;P-18) S/no.A/1 555178, PMG 65EPQ

Frequently Asked Questions

We will help you sell your valuable objects with the right strategy


If your item meets our quality standards and minimum consignment value, Trigometric will provide auction estimates and will recommend the most effective way to sell your property -- whether in one of our live or online-only auctions, or, if appropriate, with one of our trusted partners.




We work directly with consignors to build trusted relationships together


In submitting your auction estimate request, you represent that you are the owner of the property that you are inquiring about, that you own the property free and clear of any claims, liens, encumbrances or interests of others and that the property can be offered freely in the international numismatic market. If you are interested in consigning your property to Trigometric, please be aware that you are responsible for complying with any local export or import laws.

Please also note that Trigometric does not authenticate items submitted, and does not accept liability. Trigometric gives no representation, warranty or guarantee with respect to an item's origin, provenance, attribution, condition, date, age or authenticity.