How it works
1. Find your favorite cards that you’d like graded and protected
OUR
PRODUCT
Professional Grading
Affordable Pricing
Fast Turnaround Service
Flexible Payments
October Events
10/01/23 | Big Sports Card & Memorabilia Show | Sunday is 8:30am-2:15pm| envision Hotel (formerly Holiday Inn), 31 Hampshire Street, Mansfield, MA – Event Info
10/07-08/23 | Northeast Card Expo | Saturday is 9:00am-6:00pm, Sunday is 9:00am-4:00pm | The Armon Hotel, Stamford, CT – Event Info
10/09/23 | Big Sports Card & Memorabilia Show | Monday 8:30am-2:15pm | Holiday Inn, 55 Ariadne Rd, Rt 1, Dedham, MA – Event Info
10/15/23 | Dover, NH Card and Memorabilia Show | Sunday 9am-1pm | 282 Dover Road, Durham, NH – Event Info
10/15/23 | The Capital Card show | Sunday 9am-1pm | 397 Civic Center Drive, Augusta, ME – Event Info
10/21/23 | The Best Flippin’ Card Show |Saturday 9am-1pm | Crowne Plaza Hotel – Woburn, MA 10/21/23 | The Best Flippin’ Card Show |Saturday 9am-1pm | Crowne Plaza Hotel – Woburn, MA Event Info
10/26/23| Lot of Cards | Thursday 5pm-9pm | Sheraton Nashua – 11 Tara Blvd, Nashua, NH – Event Info FaceBook Page
10/28/23|Double Midnight Comics| Saturday |Manchester location, Manchester, NH – Event Info
10/29/23 | Big Sports Card & Memorabilia Show | 8:30am-2:15pm | Holiday Inn, 55 Ariadne Rd, Rt 1, Dedham, MA – Event Info
GRADING SCALE
Our goal is to make sure the
submission process is fun and easy.
The Grading Authority uses an
easy-to-understand 1-10 grading scale,
with descending increments of
one-half point.
ROYALTY CLUB
- One free card grading per month
- $2 sub-grades, $3 Flow label and $5 Holographic upgrades
- First access to various services
- Members-only discounts
- 10% OFF TGA merchandise
- Exclusive Royalty Club pack drops, box breaks & more!
ABOUT US
The Grading Authority is a New England-based card grading company built on a foundation of experience and passion for the community.
We strive to make the grading process faster, more affordable, and provide a new level of transparency.
TESTIMONIALS
“Great communication and community. TGA’s service is top tier. The cleanest labels, lowest price, fastest turnaround times. I can’t imagine sending my cards anywhere else.”
Akito S.
“TGA has it all - high quality labels, fresh and unique innovations that this market desperately needs, and a communicative, caring, and passionate staff. Trusting TGA with my cards was one of the best decisions I've made in this hobby."
Caleb R.
“TGA's customer service is one of a kind and they are always listening to how to improve their product. Their holo labels are a game changer. A great asset to anyone's card collection!"
Chase C.
“TGA' is quickly making their way to the top of the grading game. Their gorgeous labels, customization options, creative add-ons and high-quality slabs are hard to beat. Not to mention their customer service is top-notch. As a long-time customer of the other guys, TGA converted me and I'm never looking back."
Kyle O.

CONTACT US
We would love to hear from you.
Get in touch by filling out this form.